12 Days of Christmas
408
Abundant Numbers
727
Abundant Numbers (Long)
784
Arabic to Roman
789
Arithmetic Numbers
780
Arrows
311
Ascending Primes
383
ASCII Table
555
Billiards
541
brainfuck
415
Card Number Validation
544
Catalan Numbers
927
Christmas Trees
669
Collatz
807
CSS Colors
169
Cubes
340
Day of Week
771
Diamonds
515
Divisors
911
Emirp Numbers
883
Emirp Numbers (Long)
524
Evil Numbers
891
Evil Numbers (Long)
849
Factorial Factorisation
434
Farey Sequence
719
Fibonacci
932
Fizz Buzz
890
Foo Fizz Buzz Bar
783
Fractions
826
Gijswijt’s Sequence
515
Happy Numbers
794
Happy Numbers (Long)
669
Intersection
581
Inventory Sequence
829
Leap Years
845
Levenshtein Distance
468
Leyland Numbers
731
ln 2
946
Look and Say
510
Mandelbrot
535
Niven Numbers
933
Niven Numbers (Long)
848
Number Spiral
201
Odious Numbers
908
Odious Numbers (Long)
845
Ordinal Numbers
674
Partition Numbers
481
Pascal’s Triangle
810
Pernicious Numbers
794
Pernicious Numbers (Long)
926
Prime Numbers
956
Prime Numbers (Long)
971
Recamán
741
Scrambled Sort
695
Set
566
Sierpiński Triangle
718
Smith Numbers
414
Tic-tac-toe
411
Tongue-twisters
431
Topological Sort
435
Transpose Sentence
549
United States
209
Van Eck Sequence
823
Zeckendorf Representation
559
π
405
τ
396
φ
720
√2
972
𝑒
970