12 Days of Christmas
425
99 Bottles of Beer
530
Abundant Numbers
790
ASCII Table
645
brainfuck
378
569
Catalan’s Constant
72
Collatz
846
Divisors
860
Emirp Numbers
509
Evil Numbers
581
597
Factorial Factorisation
659
Fibonacci
780
767
Fizz Buzz
758
779
765
966
575
508
824
757Foo Fizz Buzz Bar
898
Fractions
829
Happy Numbers
459
Happy Numbers (Long)
554
Kolakoski Constant
71
Leap Years
885
953
Leyland Numbers
670
Look and Say
698
Niven Numbers
737
Niven Numbers (Long)
877
Odious Numbers
581
613
Odious Numbers (Long)
619
Ordinal Numbers
776
Pascal’s Triangle
722
Pernicious Numbers
479
Pernicious Numbers (Long)
541
Prime Numbers
708
720
Prime Numbers (Long)
699
679
Quine
893
Recamán
630
Spelling Numbers
421
Vampire Numbers
606
λ
129
π
59
τ
61
φ
49
√2
51
𝑒
49