12 Days of Christmas
653
99 Bottles of Beer
380
Abundant Numbers
708
711
Abundant Numbers (Long)
776
Arabic to Roman
429
Arithmetic Numbers
671
ASCII Table
541
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Catalan Numbers
690
Catalan’s Constant
505
Christmas Trees
583
665
Collatz
754
Day of Week
628
Diamonds
577
Divisors
871
933
Emirp Numbers
885
Emirp Numbers (Long)
556
Evil Numbers
785
Evil Numbers (Long)
739
Factorial Factorisation
459
Fibonacci
934
795
Fizz Buzz
862
758
Foo Fizz Buzz Bar
619
Fractions
430
Happy Numbers
169439414461293770581368350450353103476433292347158306403276812270260493622278358368
Happy Numbers (Long)
481
Intersection
554
Leap Years
814
839
Leyland Numbers
694
ln 2
752
Look and Say
518
Morse Decoder
Niven Numbers
757
Niven Numbers (Long)
667
Odious Numbers
783
Odious Numbers (Long)
766
Ordinal Numbers
630
Pangram Grep
667
Pascal’s Triangle
659
Pernicious Numbers
651
Prime Numbers
292
784
Prime Numbers (Long)
751
Quine
946
243
Recamán
648
Rule 110
386
Seven Segment
414
Sierpiński Triangle
423
Tongue-twisters
423
United States
340
Vampire Numbers
546
Van Eck Sequence
469
λ
466
π
526
τ
513
φ
828
√2
870
𝑒
743