12 Days of Christmas
414
Abundant Numbers
730
Abundant Numbers (Long)
789
Arabic to Roman
789
Arithmetic Numbers
786
Arrows
312
Ascending Primes
385
ASCII Table
555
Billiards
542
brainfuck
415
Card Number Validation
547
Catalan Numbers
931
Christmas Trees
672
Collatz
810
CSS Colors
169
Cubes
355
Day of Week
770
Diamonds
518
Divisors
933
Emirp Numbers
886
Emirp Numbers (Long)
528
Evil Numbers
893
Evil Numbers (Long)
851
Factorial Factorisation
438
Farey Sequence
718
Fibonacci
935
Fizz Buzz
891
Foo Fizz Buzz Bar
783
Fractions
825
Gijswijt’s Sequence
520
Happy Numbers
798
Happy Numbers (Long)
674
Intersection
584
Inventory Sequence
835
Leap Years
847
Levenshtein Distance
472
Leyland Numbers
737
ln 2
952
Look and Say
514
Mandelbrot
533
Niven Numbers
939
Niven Numbers (Long)
855
Number Spiral
202
Odious Numbers
911
Odious Numbers (Long)
849
Ordinal Numbers
684
Partition Numbers
486
Pascal’s Triangle
813
Pernicious Numbers
798
Pernicious Numbers (Long)
936
Prime Numbers
957
Prime Numbers (Long)
974
Recamán
747
Scrambled Sort
702
Set
570
Sierpiński Triangle
725
Smith Numbers
415
Tic-tac-toe
412
Tongue-twisters
431
Topological Sort
438
Transpose Sentence
552
United States
210
Van Eck Sequence
826
Zeckendorf Representation
564
π
406
τ
398
φ
722
√2
978
𝑒
976