12 Days of Christmas
416
Abundant Numbers
742
Abundant Numbers (Long)
809
Arabic to Roman
807
Arithmetic Numbers
818
Arrows
320
Ascending Primes
399
ASCII Table
566
Billiards
566
brainfuck
427
Card Number Validation
568
Catalan Numbers
957
Christmas Trees
684
Collatz
826
CSS Colors
176
Cubes
361
Day of Week
800
Diamonds
528
Divisors
947
Emirp Numbers
902
Emirp Numbers (Long)
543
Evil Numbers
909
Evil Numbers (Long)
872
Factorial Factorisation
450
Farey Sequence
744
Fibonacci
947
Fizz Buzz
898
Foo Fizz Buzz Bar
795
Fractions
849
Gijswijt’s Sequence
538
Happy Numbers
814
Happy Numbers (Long)
693
Intersection
603
Inventory Sequence
864
Leap Years
860
Levenshtein Distance
486
Leyland Numbers
756
ln 2
981
Look and Say
526
Mandelbrot
551
Niven Numbers
957
Niven Numbers (Long)
877
Number Spiral
208
Odious Numbers
930
Odious Numbers (Long)
872
Ordinal Numbers
702
Partition Numbers
505
Pascal’s Triangle
833
Pernicious Numbers
816
Pernicious Numbers (Long)
962
Prime Numbers
976
Prime Numbers (Long)
1,000
Recamán
764
Scrambled Sort
737
Set
596
Sierpiński Triangle
740
Smith Numbers
427
Tic-tac-toe
429
Tongue-twisters
433
Topological Sort
462
Transpose Sentence
580
United States
219
Van Eck Sequence
855
Zeckendorf Representation
587
π
414
τ
408
φ
743
√2
1,000
𝑒
1,000