12 Days of Christmas
402
Abundant Numbers
727
Abundant Numbers (Long)
784
Arabic to Roman
788
Arithmetic Numbers
780
Arrows
311
Ascending Primes
383
ASCII Table
555
Billiards
539
brainfuck
415
Card Number Validation
544
Catalan Numbers
927
Christmas Trees
669
Collatz
807
CSS Colors
169
Cubes
340
Day of Week
772
Diamonds
514
Divisors
911
Emirp Numbers
882
Emirp Numbers (Long)
524
Evil Numbers
891
Evil Numbers (Long)
848
Factorial Factorisation
435
Farey Sequence
671
Fibonacci
932
Fizz Buzz
889
Foo Fizz Buzz Bar
781
Fractions
825
Gijswijt’s Sequence
514
Happy Numbers
794
Happy Numbers (Long)
670
Intersection
581
Inventory Sequence
830
Leap Years
845
Levenshtein Distance
468
Leyland Numbers
731
ln 2
946
Look and Say
510
Mandelbrot
534
Niven Numbers
933
Niven Numbers (Long)
848
Number Spiral
201
Odious Numbers
908
Odious Numbers (Long)
845
Ordinal Numbers
673
Partition Numbers
480
Pascal’s Triangle
810
Pernicious Numbers
795
Pernicious Numbers (Long)
926
Prime Numbers
956
Prime Numbers (Long)
971
Recamán
742
Scrambled Sort
696
Set
551
Sierpiński Triangle
717
Smith Numbers
412
Tic-tac-toe
410
Tongue-twisters
430
Topological Sort
435
Transpose Sentence
550
United States
209
Van Eck Sequence
823
Zeckendorf Representation
560
π
405
τ
396
φ
720
√2
972
𝑒
970