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

    janlelis

    63,218
    61,886
    💎1
    🥇27
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    27 / 98 Cheevos

    📅

    12 Days of Christmas
    941
    99 Bottles of Beer
    591 505976
    Abundant Numbers
    821848 730690
    Abundant Numbers (Long)
    801891
    Arithmetic Numbers
    900
    Ascending Primes
    891
    ASCII Table
    932
    brainfuck
    806
    Card Number Validation
    702
    Catalan Numbers
    902
    Christmas Trees
    840
    Collatz
    916
    Day of Week
    942
    Diamonds
    746
    Divisors
    867856891933902
    Emirp Numbers
    831
    Emirp Numbers (Long)
    886
    Emojify
    848
    Evil Numbers
    828856 893898
    Evil Numbers (Long)
    952813
    Factorial Factorisation
    940
    Farey Sequence
    947
    Fibonacci
    935938
    Fizz Buzz
    849
    Foo Fizz Buzz Bar
    931
    Forsyth–Edwards Notation
    934
    Fractions
    803991
    Happy Numbers
    760 653
    Happy Numbers (Long)
    824
    Hexdump
    858
    Inventory Sequence
    803
    ISBN
    760
    Jacobi Symbol
    627
    Kolakoski Constant
    858
    Kolakoski Sequence
    811
    Leap Years
    855956870901916
    Leyland Numbers
    683 831
    ln 2
    960
    Look and Say
    907
    Lucky Numbers
    841
    Medal Tally
    618
    Musical Chords
    494
    Niven Numbers
    973 919761
    Niven Numbers (Long)
    959
    Number Spiral
    868
    Odious Numbers
    834 871866
    Odious Numbers (Long)
    950812
    Ordinal Numbers
    936 918
    PalindromemordnilaP
    Pangram Grep
    890
    Pascal’s Triangle
    713 885
    Pernicious Numbers
    685 832820
    Pernicious Numbers (Long)
    894
    Prime Numbers
    875 840
    Prime Numbers (Long)
    951
    Quine
    200
    Recamán
    902
    Reverse Polish Notation
    739
    ROT13
    798945
    Rule 110
    774
    Scrambled Sort
    710
    Seven Segment
    504
    Sierpiński Triangle
    553 781
    Smith Numbers
    887
    Spelling Numbers
    860564 437768
    Tongue-twisters
    870
    Transpose Sentence
    897
    United States
    779 797
    Van Eck Sequence
    891 943
    π
    832
    τ
    796
    φ
    765
    √2
    865
    𝑒
    916