Recursive function

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リカーシブ・ファンクション

Song Information

リカーシブ・ファンクション's jacket.

Artist: OSTER project
Composition/Arrangement: OSTER project
Guitars: 96-chan
BPM: 145
Length: 1:49
Jacket design: XTC
First Music Game Appearance: REFLEC BEAT groovin'!!
Other Music Game Appearances:

Lyrics

None.

Song Connections / Remixes

None.

Trivia

  • リカーシブ・ファンクション is one of the Refle unlockable songs in REFLEC BEAT groovin'!!. It could be purchased from the Reflec Shop from July 8th, 2014 for 1200 Refle.
  • リカーシブ・ファンクション marks OSTER project's first original song in the REFLEC BEAT series.
  • A recursive function, in computer science or mathematics, refers to a function or procedure that "calls upon itself" repeatedly in order to solve a complicated problem, by breaking it down to similar but simpler problems.
  • リカーシブ・ファンクション's jacket is made of fractal art, specifically dragon curve. According to OSTER project, she requested this to match the mathematical motif of the song.
  • リカーシブ・ファンクション could be unlocked in SOUND VOLTEX III GRAVITY WARS from August 6th, 2015 as part of the BEMANI SUMMER DIARY 2015 event.
  • After being removed from the initial release of REFLEC BEAT 悠久のリフレシア, リカーシブ・ファンクション was revived on February 23rd, 2017.
  • リカーシブ・ファンクション was added to jubeat (2021) on March 30th, 2022.
  • リカーシブ・ファンクション could be unlocked in jubeat festo from June 22nd to July 12th, 2022 as part of the Stamp Challenge unlocking system, by obtaining 13 stamps.
    • In jubeat Ave., it could be unlocked in STAR RECORD from February 8th to 28th, 2023, by lighting up 8 stars.

Song Production Information

None.

Difficulty & Notecounts

jubeat difficulty rated from 1 to 10.9 from festo onwards.
REFLEC BEAT to groovin'!! Upper difficulty rated from 1 to 10+, 1 to 13 in VOLZZA/VOLZZA 2, and 1 to 15 in 悠久のリフレシア.
SOUND VOLTEX BOOTH to III GRAVITY WARS difficulty rated from 1 to 16, and 1 to 20 from IV HEAVENLY HAVEN onwards. (Ratings and notecounts obtained from REFLEC BEAT @wiki and SOUND VOLTEX @ wiki.)

jubeat

Game Level
Basic Advanced Extreme
Notecounts 233 377 610
jubeat (2021) 4 7 9.5
jubeat festo→Present 4 7 9.5

REFLEC BEAT

Old Charts

Game Level
Basic Medium Hard Special
Notecounts 223 371 637 -
REFLEC BEAT groovin'!!→VOLZZA 2 5 8 10 -
REFLEC BEAT plus 5 8 10 -


New Charts

Game Level
Basic Medium Hard White
Hard
Notecounts 259 415 700 1029
REFLEC BEAT 悠久のリフレシア 7 10 12 15


SOUND VOLTEX

Game Level
NOVICE ADVANCED EXHAUST MAXIMUM EXCEED
Max Chain 381 796 1214 - -
Effected By ま☆ ま☆ ま☆ - -
Jacket Artists XTC XTC XTC - -
SOUND VOLTEX III 5 11 14 - -
SOUND VOLTEX IV→Present 5 11 ↑15 - -
SOUND VOLTEX III コナステ 5 11 15 - -
SOUND VOLTEX EXCEED GEAR コナステ 5 11 15 - -
BEMANI SUMMER DIARY 2015
Prologue Song In The Breeze
Daily Songs Sounds Of Summer - Sakura Mirage - ΔMAX - 虹色遊園地 - Scars of FAUNA - TWINKLING - Peragro - double thrash - Chronos
天空の華 - ヤサイマシ☆ニンニクアブラオオメ - リカーシブ・ファンクション - ドッキン☆サマーあばんちゅーる - TOXIC VIBRATION
wound - 8000000 - 惑星☆ロリポップ - 隅田川夏恋歌 - BELLS - Sakura Sunrise - パ→ピ→プ→Yeah! - citrus
少年は空を辿る - perditus†paradisus
Epilogue Songs 夏色DIARY (BisCoの思い出(>▽<) - DDR mix - GITADORA style - L.E.D.-G STYLE MIX - Summer Dazzlin' Vacation miX -
Yu-yake Style - 懐色DIEARY - 俺のjubeat編)