Ctrl+P again to print, arrows/tab to navigate results, Enter to confirm, Ctrl+Enter to open in new tab.

    The Semiprime Numbers and Sphenic Numbers holes will go live in approximately . Why not try and solve them ahead of time?

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Farey Sequence snoozingnewt 76
    Lucky Numbers JOrE20 64
    π JOrE20 75
    Apéry’s Constant JOrE20 81
    Arithmetic Numbers JOrE20 86
    Ascending Primes JOrE20 77
    Ellipse Perimeters JOrE20 91
    Levenshtein Distance JOrE20 100
    Levenshtein Distance GolfingSuccess 96
    Narcissistic Numbers HumanoidCPU 847
    Pangram Grep JOrE20 69
    Polygon Triangulations HumanoidCPU 4,321
    Calendar JOrE20 106
    Niven Numbers JOrE20 53
    Triangular Numbers JOrE20 43
    Triangular Numbers Shanethegamer 199
    Triangular Numbers HumanoidCPU 199
    United States JOrE20 132
    Langton’s Ant JOrE20 186
    Snake JOrE20 172
    Poker JOrE20 297
    Set JOrE20 127
    Tongue-twisters JOrE20 325
    Pernicious Numbers snoozingnewt 44
    Day of Week JOrE20 88
    Arrows JOrE20 105
    Pascal’s Triangle JOrE20 62
    Connect Four JOrE20 195
    √2 JOrE20 57
    𝑒 JOrE20 56
    ln 2 JOrE20 61
    Quine JOrE20 64
    Tower of Hanoi JOrE20 63
    Thue–Morse Constant JOrE20 69
    Jacobi Symbol JOrE20 143
    Scrambled Sort JOrE20 92
    Musical Chords JOrE20 151
    PalindromemordnilaP JOrE20 83
    Roman to Arabic JOrE20 97
    Yellowstone Permutation JOrE20 128
    Gray Code Decoder JOrE20 67
    Gray Code Encoder JOrE20 59
    Continued Fractions JOrE20 122
    Pernicious Numbers (Long) JOrE20 61
    Fibonacci JOrE20 44
    brainfuck JOrE20 338
    Prime Numbers (Long) JOrE20 53
    Prime Numbers JOrE20 48
    Farey Sequence JOrE20 77
    Leyland Numbers JOrE20 82
    Chess Move Validation dokutan 163
    φ JOrE20 61
    Foo Fizz Buzz Bar JOrE20 91
    Fizz Buzz JOrE20 66
    Odious Numbers JOrE20 48
    Evil Numbers JOrE20 48
    Evil Numbers (Long) JOrE20 50
    Odious Numbers (Long) JOrE20 49
    Thue–Morse Constant HumanoidCPU 1,012
    Tutorial quasar098 62
    Kolakoski Sequence JOrE20 68
    Yellowstone Permutation HumanoidCPU 4,020
    Tutorial JOrE20 61
    Intersection JOrE20 129
    Collatz JOrE20 79
    Divisors JOrE20 65
    Ulam Sequence dokutan 187
    Flags dokutan 1,665
    Connect Four dokutan 323
    φ albanian-laundromat 74
    Sphenic Numbers GolfingSuccess 79
    Nim dokutan 131
    Alphabetic Numbers dokutan 313
    Ulam Sequence HumanoidCPU 1,102
    24 Game dokutan 261
    Ulam Sequence Shanethegamer 1,102
    φ dokutan 63
    τ dokutan 76
    π dokutan 76
    λ dokutan 206
    γ dokutan 121
    Kolakoski Constant dokutan 105
    Dragon Curve dokutan 1,368
    Catalan’s Constant dokutan 109
    Dragon Curve HumanoidCPU 10,282
    Dragon Curve Shanethegamer 10,282
    Number Spiral dokutan 211
    Alphabetic Numbers Shanethegamer 3,904
    Tower of Hanoi scpchicken 95
    Gray Code Decoder dokutan 85
    Ordinal Numbers dokutan 98
    Niven Numbers (Long) dokutan 59
    Fizz Buzz madex 124
    Reversi dokutan 280
    Poker dokutan 316
    Multitap Input dokutan 177
    Morse Encoder dokutan 186
    Maze dokutan 153
    Lucky Tickets dokutan 111
    Lucky Numbers dokutan 64