12 Days of Christmas
901
24 Game
403
99 Bottles of Beer
816
Abundant Numbers
882
Abundant Numbers (Long)
876
Arabic to Roman
589
Arithmetic Numbers
792
Ascending Primes
771
Billiards
481
Card Number Validation
587
Catalan Numbers
805
Catalan’s Constant
97
Christmas Trees
684
Collatz
810
CSS Colors
827
Day of Week
593707
Diamonds
668
Divisors
923
Emirp Numbers
754
Emirp Numbers (Long)
861
Emojify
342
Evil Numbers
686
Evil Numbers (Long)
690
Factorial Factorisation
804
Farey Sequence
683
Fibonacci
937
Fizz Buzz
987
Foo Fizz Buzz Bar
863
Fractions
765
Gijswijt’s Sequence
420
Happy Numbers
637
Happy Numbers (Long)
646
Intersection
556
ISBN
753
Jacobi Symbol
560
Kaprekar Numbers
330
Kolakoski Constant
103
Kolakoski Sequence
669
Leap Years
730
Levenshtein Distance
969
Leyland Numbers
771
ln 2
607
Look and Say
875
Niven Numbers
848
Niven Numbers (Long)
940
Odious Numbers
709
Odious Numbers (Long)
706
Ordinal Numbers
828
PalindromemordnilaP
620
Pangram Grep
916
Pernicious Numbers
571
Pernicious Numbers (Long)
694
Prime Numbers
930
Prime Numbers (Long)
948
Quine
960
Recamán
656
Rijndael S-box
269
Roman to Arabic
429
ROT13
918
Rule 110
460
Seven Segment
754
Sierpiński Triangle
743
Smith Numbers
755
Tongue-twisters
569
Transpose Sentence
739
United States
654
Vampire Numbers
676
γ
116
λ
730
π
668
τ
625
φ
534
√2
609
𝑒
640