12 Days of Christmas
380
99 Bottles of Beer
397
Abundant Numbers
666
Abundant Numbers (Long)
731
Arithmetic Numbers
660
Arrows
457
Ascending Primes
281
brainfuck
556265
Catalan Numbers
561
Catalan’s Constant
417
Collatz
753
Continued Fractions
607
CSS Colors
129
Diamonds
407
Divisors
838961
Emirp Numbers
437
Emirp Numbers (Long)
491
Emojify
437
Evil Numbers
713
Evil Numbers (Long)
699
Factorial Factorisation
453
Farey Sequence
366
Fibonacci
521
Fizz Buzz
682
Foo Fizz Buzz Bar
568
Forsyth–Edwards Notation
510
Fractions
585
Game of Life
219
Happy Numbers
499
Happy Numbers (Long)
601
Intersection
525
Inventory Sequence
670
Kaprekar Numbers
620
Leap Years
621
Leyland Numbers
618
Look and Say
437
Lucky Numbers
505
Medal Tally
393
Niven Numbers
716
Niven Numbers (Long)
780
Odious Numbers
723
Odious Numbers (Long)
709
Pascal’s Triangle
529
Pernicious Numbers
618
Pernicious Numbers (Long)
701
Prime Numbers
594
Prime Numbers (Long)
611
Recamán
732
Reverse Polish Notation
378
Rule 110
359
Smith Numbers
329
Tongue-twisters
277
Vampire Numbers
428
Van Eck Sequence
582709
π
465
τ
440
φ
397
√2
603
𝑒
605