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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    Recent Solutions

    Hole Golfer Chars Time Submitted
    Collatz ske2004 86
    Fizz Buzz ske2004 114
    99 Bottles of Beer ske2004 423
    Smooth Numbers GolfingSuccess 136
    Gray Code Encoder GolfingSuccess 117
    Continued Fractions GolfingSuccess 147
    Tower of Hanoi GolfingSuccess 70
    Niven Numbers GolfingSuccess 65
    Fibonacci GolfingSuccess 56
    Collatz GolfingSuccess 86
    Arithmetic Numbers GolfingSuccess 101
    Taxicab Numbers Shanethegamer 4,180
    Sphenic Numbers Shanethegamer 8,880
    Semiprime Numbers Shanethegamer 12,809
    Polygon Triangulations Shanethegamer 4,332
    Odd Polyomino Tiling Shanethegamer 21,451
    Highly Composite Numbers Shanethegamer 412
    Hexagonal Spiral Shanethegamer 1,155
    Tutorial Shanethegamer 112
    Van Eck Sequence Shanethegamer 2,575
    Vampire Numbers Shanethegamer 1,091
    Trinomial Triangle Shanethegamer 2,087
    Tower of Hanoi Shanethegamer 3,597
    Tongue-twisters Shanethegamer 543
    Smith Numbers Shanethegamer 1,844
    Sierpiński Triangle Shanethegamer 412
    Rule 110 Shanethegamer 10,120
    Rijndael S-box Shanethegamer 788
    Recamán Shanethegamer 917
    Prime Numbers (Long) Shanethegamer 5,968
    Prime Numbers Shanethegamer 91
    Polyominoes Shanethegamer 3,584
    Pernicious Numbers (Long) Shanethegamer 20,682
    Pernicious Numbers Shanethegamer 120
    Pascal’s Triangle Shanethegamer 789
    Partition Numbers Shanethegamer 667
    Odious Numbers (Long) Shanethegamer 1,965
    Odious Numbers Shanethegamer 93
    Number Spiral Shanethegamer 320
    Niven Numbers (Long) Shanethegamer 7,458
    Niven Numbers Shanethegamer 111
    Mandelbrot Shanethegamer 3,382
    Lucky Numbers Shanethegamer 4,840
    Look and Say Shanethegamer 1,299
    Leyland Numbers Shanethegamer 906
    Leap Years Shanethegamer 750
    Kaprekar Numbers Shanethegamer 460
    Inventory Sequence Shanethegamer 2,643
    Hilbert Curve Shanethegamer 2,068
    Happy Numbers (Long) Shanethegamer 572
    Happy Numbers Shanethegamer 127
    Gijswijt’s Sequence Shanethegamer 2,020
    Foo Fizz Buzz Bar Shanethegamer 5,739
    Fizz Buzz Shanethegamer 433
    Fibonacci Shanethegamer 154
    Farey Sequence Shanethegamer 4,374
    Evil Numbers (Long) Shanethegamer 1,970
    Evil Numbers Shanethegamer 90
    Emirp Numbers (Long) Shanethegamer 1,176
    Emirp Numbers Shanethegamer 156
    Divisors Shanethegamer 1,186
    Diamonds Shanethegamer 1,123
    Cubes Shanethegamer 2,847
    Collatz Shanethegamer 3,246
    Christmas Trees Shanethegamer 565
    Catalan Numbers Shanethegamer 2,892
    Ascending Primes Shanethegamer 532
    Arithmetic Numbers Shanethegamer 37,662
    Abundant Numbers (Long) Shanethegamer 984
    Abundant Numbers Shanethegamer 183
    99 Bottles of Beer Shanethegamer 11,905
    24 Game Shanethegamer 12,452
    12 Days of Christmas Shanethegamer 2,389
    Smith Numbers HumanoidCPU 2,219
    Pernicious Numbers snoozingnewt 85
    Evil Numbers (Long) HumanoidCPU 2,470
    Tower of Hanoi KatieLG 4,129
    𝑒 BREMAUCY 1,023
    Taxicab Numbers HumanoidCPU 4,664
    Inventory Sequence HumanoidCPU 3,642