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

    janlelis

    63,218
    61,885
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    📅

    12 Days of Christmas
    904
    99 Bottles of Beer
    833 882960
    Abundant Numbers
    830852 761903
    Abundant Numbers (Long)
    889898
    Arithmetic Numbers
    884
    Ascending Primes
    823
    ASCII Table
    919
    brainfuck
    877
    Card Number Validation
    702
    Catalan Numbers
    902
    Christmas Trees
    948
    Collatz
    923
    Day of Week
    942
    Diamonds
    737
    Divisors
    867856891984966
    Emirp Numbers
    833
    Emirp Numbers (Long)
    876
    Emojify
    814
    Evil Numbers
    828856 893932
    Evil Numbers (Long)
    952813
    Factorial Factorisation
    951
    Farey Sequence
    947
    Fibonacci
    935938
    Fizz Buzz
    858
    Foo Fizz Buzz Bar
    929
    Forsyth–Edwards Notation
    977
    Fractions
    944991
    Happy Numbers
    845 944
    Happy Numbers (Long)
    957
    Hexdump
    949
    Inventory Sequence
    803
    ISBN
    811
    Jacobi Symbol
    655
    Kolakoski Constant
    901
    Kolakoski Sequence
    811
    Leap Years
    857957873902846
    Leyland Numbers
    684 922
    ln 2
    960
    Look and Say
    907
    Lucky Numbers
    826
    Medal Tally
    658
    Musical Chords
    587
    Niven Numbers
    977 921895
    Niven Numbers (Long)
    966
    Number Spiral
    766
    Odious Numbers
    834 871930
    Odious Numbers (Long)
    950812
    Ordinal Numbers
    941 967
    PalindromemordnilaP
    Pangram Grep
    894
    Pascal’s Triangle
    713 949
    Pernicious Numbers
    685 832848
    Pernicious Numbers (Long)
    936
    Prime Numbers
    875 961
    Prime Numbers (Long)
    951
    Quine
    200
    Recamán
    906
    Reverse Polish Notation
    842
    ROT13
    917945
    Rule 110
    687
    Scrambled Sort
    723
    Seven Segment
    623
    Sierpiński Triangle
    563 819
    Smith Numbers
    841
    Spelling Numbers
    866911 745880
    Tongue-twisters
    791
    Transpose Sentence
    880
    United States
    859 876
    Van Eck Sequence
    891 943
    π
    832
    τ
    782
    φ
    773
    √2
    876
    𝑒
    921