12 Days of Christmas
892
99 Bottles of Beer
825
Abundant Numbers
773
Abundant Numbers (Long)
903
Arabic to Roman
800
Arithmetic Numbers
900
Arrows
546
Ascending Primes
753
ASCII Table
728
Calendar
942
Card Number Validation
644
Catalan Numbers
893
Catalan’s Constant
499
Christmas Trees
860
Collatz
871
CSS Colors
256
Day of Week
962
Diamonds
715
Divisors
985
Emirp Numbers
831
Emirp Numbers (Long)
784
Emojify
416
Evil Numbers
982
Evil Numbers (Long)
953
Factorial Factorisation
591
Farey Sequence
573
Fibonacci
935
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
746
Happy Numbers
779
Happy Numbers (Long)
853
Hexdump
896
Inventory Sequence
870
ISBN
789
Kaprekar Numbers
520
Kolakoski Constant
679
Kolakoski Sequence
852
Leap Years
902
Leyland Numbers
959
ln 2
972
Medal Tally
758
Niven Numbers
942
Niven Numbers (Long)
858
Number Spiral
459
Odious Numbers
852
Odious Numbers (Long)
832
Ordinal Numbers
839
PalindromemordnilaP
861
Pangram Grep
911
Pascal’s Triangle
924
Pernicious Numbers
783
Pernicious Numbers (Long)
904
Prime Numbers
935
Prime Numbers (Long)
953
Quine
947
Recamán
840
Rijndael S-box
215
Roman to Arabic
806
ROT13
918
Scrambled Sort
902
Seven Segment
757
Spelling Numbers
468
Tongue-twisters
650
Transpose Sentence
864
United States
847
γ
447
π
871
τ
498
φ
940
√2
982
𝑒
979