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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
    Zeckendorf Representation edsrzf 91
    Fibonacci plcc0 37
    Emirp Numbers (Long) DialFrost 💎 73
    Zodiac Signs edsrzf 💎 105
    Emirp Numbers (Long) edsrzf 🥈 77
    Tower of Hanoi KatieLG 324
    Fizz Buzz mwarvik 63
    Smith Numbers edsrzf 🥉 106
    Calendar CaedenHarper 266
    Odd Polyomino Tiling HumanoidCPU 10,756
    Apéry’s Constant HumanoidCPU 542
    Hexagonal Spiral HumanoidCPU 608
    Highly Composite Numbers HumanoidCPU 237
    Sphenic Numbers HumanoidCPU 4,471
    Semiprime Numbers HumanoidCPU 6,435
    Taxicab Numbers HumanoidCPU 2,121
    Rule 110 HumanoidCPU 7,967
    Arithmetic Numbers HumanoidCPU 18,862
    Pernicious Numbers (Long) HumanoidCPU 10,372
    Niven Numbers (Long) HumanoidCPU 3,760
    Lucky Numbers HumanoidCPU 2,451
    Tower of Hanoi HumanoidCPU 1,829
    Catalan Numbers HumanoidCPU 1,477
    Prime Numbers (Long) HumanoidCPU 3,015
    99 Bottles of Beer HumanoidCPU 5,983
    24 Game HumanoidCPU 6,257
    Foo Fizz Buzz Bar HumanoidCPU 2,900
    Collatz HumanoidCPU 1,654
    Kolakoski Sequence HumanoidCPU 1,041
    Van Eck Sequence HumanoidCPU 1,318
    Evil Numbers (Long) HumanoidCPU 1,016
    Odious Numbers (Long) HumanoidCPU 1,013
    Inventory Sequence HumanoidCPU 1,352
    Gijswijt’s Sequence HumanoidCPU 1,041
    Trinomial Triangle HumanoidCPU 1,074
    Divisors HumanoidCPU 624
    φ HumanoidCPU 542
    √2 HumanoidCPU 542
    Cubes HumanoidCPU 2,091
    Abundant Numbers (Long) HumanoidCPU 523
    π HumanoidCPU 542
    ln 2 HumanoidCPU 542
    Factorial Factorisation edsrzf 🥇 90
    𝑒 HumanoidCPU 542
    Leap Years HumanoidCPU 406
    Polyominoes HumanoidCPU 1,823
    Recamán HumanoidCPU 489
    Look and Say HumanoidCPU 680
    τ HumanoidCPU 542
    Kolakoski Constant HumanoidCPU 542
    Emirp Numbers (Long) HumanoidCPU 619
    Diamonds HumanoidCPU 592
    Smith Numbers HumanoidCPU 953
    Pascal’s Triangle HumanoidCPU 425
    Catalan’s Constant HumanoidCPU 542
    Sierpiński Triangle HumanoidCPU 318
    Leyland Numbers HumanoidCPU 484
    N Queens HumanoidCPU 664
    γ HumanoidCPU 542
    Partition Numbers HumanoidCPU 364
    Vampire Numbers HumanoidCPU 576
    Factorial Factorisation HumanoidCPU 472
    Christmas Trees HumanoidCPU 313
    Happy Numbers (Long) HumanoidCPU 317
    Ascending Primes HumanoidCPU 297
    λ HumanoidCPU 542
    Rijndael S-box HumanoidCPU 425
    Kaprekar Numbers HumanoidCPU 261
    Number Spiral HumanoidCPU 191
    Pernicious Numbers HumanoidCPU 91
    Prime Numbers (Long) edsrzf 🥇 40
    Abundant Numbers HumanoidCPU 122
    12 Days of Christmas HumanoidCPU 1,225
    Fibonacci HumanoidCPU 108
    ASCII Table HumanoidCPU 177
    Odious Numbers HumanoidCPU 77
    Niven Numbers HumanoidCPU 86
    Prime Numbers HumanoidCPU 76
    Evil Numbers HumanoidCPU 76
    Emirp Numbers HumanoidCPU 109