12 Days of Christmas
868
Abundant Numbers
821
772
Abundant Numbers (Long)
828
915
Arithmetic Numbers
920
Arrows
485
Ascending Primes
571
ASCII Table
675
Billiards
803
Card Number Validation
609
Catalan Numbers
786
930
Catalan’s Constant
649
Christmas Trees
685
Collatz
950
CSS Colors
172
Diamonds
657
Divisors
872
984
Emirp Numbers
925
Emirp Numbers (Long)
844
Emojify
359
Evil Numbers
610
689
957
692
Evil Numbers (Long)
567
717
950
Factorial Factorisation
627
Farey Sequence
802
Fibonacci
803
929
875986
840839
Fizz Buzz
943
973
976
Foo Fizz Buzz Bar
777
986
Forsyth–Edwards Notation
838
Fractions
760
842
Game of Life
678
Gijswijt’s Sequence
598
Happy Numbers
959
749
Happy Numbers (Long)
960
862
Hexdump
783
Intersection
801
Inventory Sequence
866
ISBN
864
Kaprekar Numbers
150
Kolakoski Constant
601
Kolakoski Sequence
835
Leap Years
778
883697
Leyland Numbers
958
ln 2
750
802
Look and Say
726
Lucky Numbers
935
Lucky Tickets
660
Maze
855
Medal Tally
557
Niven Numbers
913
941
Niven Numbers (Long)
919
842
Odious Numbers
596
731
955
Odious Numbers (Long)
611
709
948
Ordinal Numbers
896
PalindromemordnilaP
738
Pangram Grep
952
909
Pascal’s Triangle
907
Pernicious Numbers
766
Pernicious Numbers (Long)
869
Poker
660
Prime Numbers
792862767
980
924
Prime Numbers (Long)
763
972
Quine
967
946
Recamán
805
Reverse Polish Notation
1,000
781
Reversi
591
Rock-paper-scissors-Spock-lizard
713
Seven Segment
608
Smith Numbers
741
Vampire Numbers
809
Van Eck Sequence
729
π
893
934
τ
901
φ
885
938
√2
707
𝑒
700