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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
    Pernicious Numbers snoozingnewt 51
    Tower of Hanoi KatieLG 4,096
    Taxicab Numbers snoozingnewt 4,169
    Tower of Hanoi bitsandbeyond 70
    𝑒 BREMAUCY 1,012
    Taxicab Numbers HumanoidCPU 4,169
    Taxicab Numbers Shanethegamer 4,169
    Collatz kmathis22 92
    Kolakoski Sequence HumanoidCPU 2,009
    Tower of Hanoi HumanoidCPU 3,586
    Tower of Hanoi Shanethegamer 3,586
    Tutorial Babafaba 106
    Tutorial retrohun 171
    Tutorial snoozingnewt 45
    Tutorial Vexxter9 171
    Hilbert Curve HumanoidCPU 2,057
    Abundant Numbers (Long) HumanoidCPU 973
    Polyominoes HumanoidCPU 3,573
    Recamán HumanoidCPU 906
    Rule 110 HumanoidCPU 10,109
    Pascal’s Triangle HumanoidCPU 778
    Kaprekar Numbers HumanoidCPU 449
    Happy Numbers HumanoidCPU 116
    Happy Numbers (Long) HumanoidCPU 561
    Emirp Numbers (Long) HumanoidCPU 1,165
    Catalan Numbers HumanoidCPU 2,881
    Tongue-twisters HumanoidCPU 532
    Van Eck Sequence HumanoidCPU 2,564
    Abundant Numbers HumanoidCPU 172
    Look and Say HumanoidCPU 1,288
    Leyland Numbers HumanoidCPU 895
    Farey Sequence HumanoidCPU 4,363
    Diamonds HumanoidCPU 1,112
    Niven Numbers HumanoidCPU 100
    Lucky Numbers HumanoidCPU 4,829
    Inventory Sequence HumanoidCPU 2,632
    Gijswijt’s Sequence HumanoidCPU 2,009
    Smith Numbers HumanoidCPU 1,833
    Vampire Numbers HumanoidCPU 1,080
    Arithmetic Numbers HumanoidCPU 37,651
    Odious Numbers (Long) HumanoidCPU 1,954
    Evil Numbers (Long) HumanoidCPU 1,959
    N Queens HumanoidCPU 1,255
    Pernicious Numbers (Long) HumanoidCPU 20,671
    Divisors HumanoidCPU 1,175
    Foo Fizz Buzz Bar HumanoidCPU 5,728
    Prime Numbers (Long) HumanoidCPU 5,957
    Niven Numbers (Long) HumanoidCPU 7,447
    Odious Numbers HumanoidCPU 82
    Evil Numbers HumanoidCPU 79
    Trinomial Triangle HumanoidCPU 2,076
    Rijndael S-box HumanoidCPU 777
    Prime Numbers HumanoidCPU 80
    Collatz HumanoidCPU 3,235
    Sierpiński Triangle HumanoidCPU 401
    Sphenic Numbers HumanoidCPU 8,869
    π Ralac07 1,012
    Semiprime Numbers HumanoidCPU 12,798
    Tutorial Bpc-CPU 171
    Fibonacci HumanoidCPU 143
    Mandelbrot HumanoidCPU 3,371
    Number Spiral HumanoidCPU 309
    Fizz Buzz HumanoidCPU 521
    Ascending Primes HumanoidCPU 521
    Polyominoes Shanethegamer 3,573
    Christmas Trees HumanoidCPU 554
    Pernicious Numbers HumanoidCPU 109
    Leap Years HumanoidCPU 739
    Catalan’s Constant HumanoidCPU 1,012
    Kolakoski Constant HumanoidCPU 1,012
    λ HumanoidCPU 1,012
    τ HumanoidCPU 1,012
    π HumanoidCPU 1,012
    φ HumanoidCPU 1,012
    γ HumanoidCPU 1,012
    ln 2 HumanoidCPU 1,012
    𝑒 HumanoidCPU 1,012
    √2 HumanoidCPU 1,012
    Polygon Triangulations Shanethegamer 4,321
    99 Bottles of Beer HumanoidCPU 11,894