12 Days of Christmas
603
99 Bottles of Beer
702
Abundant Numbers
776
634
Abundant Numbers (Long)
854
697
Arabic to Roman
646
Arithmetic Numbers
755
Ascending Primes
520
ASCII Table
667
Catalan Numbers
803
Christmas Trees
685
Collatz
453533728642882722509477
579695513458586723704391668883701577455745770707547618597657739395599753514839589671543583
Day of Week
539
Diamonds
384
596
267
Divisors
792
Emirp Numbers
370394
468
Emirp Numbers (Long)
659
719
Emojify
433
Evil Numbers
546528
771
400
Evil Numbers (Long)
777
Factorial Factorisation
463
Fibonacci
931
Fizz Buzz
975
Foo Fizz Buzz Bar
944
Fractions
739
Happy Numbers
505507
597
581
Happy Numbers (Long)
820
Intersection
759
Inventory Sequence
660
ISBN
358
386
473
772
Kaprekar Numbers
704
Leap Years
826
Leyland Numbers
791
ln 2
574
Lucky Numbers
518
508
Niven Numbers
931
Niven Numbers (Long)
751
Number Spiral
314
Odious Numbers
806
Odious Numbers (Long)
809
Pascal’s Triangle
764
725
Pernicious Numbers
521487
737
Pernicious Numbers (Long)
860
Prime Numbers
823
Prime Numbers (Long)
860
Quine
936
944
Recamán
712
Rock-paper-scissors-Spock-lizard
432578
ROT13
626
Set
607
Sierpiński Triangle
564
Smith Numbers
798
Spelling Numbers
642
Time Distance
700
Tongue-twisters
395
Transpose Sentence
431
United States
704
Vampire Numbers
436
609
Van Eck Sequence
648
Zeckendorf Representation
647
π
557
τ
555
𝑒
753
66