12 Days of Christmas
571
358
99 Bottles of Beer
747
Abundant Numbers
690
820
491
631
Abundant Numbers (Long)
848
869
542
815
Arabic to Roman
609
Arrows
414
ASCII Table
723
Catalan Numbers
612
Catalan’s Constant
303
Christmas Trees
618
Collatz
891
900
848
Cubes
33
Day of Week
255
Diamonds
503
49
Divisors
721
801
766
Emirp Numbers
417
365
Emirp Numbers (Long)
560
Emojify
291
Evil Numbers
802
440
Evil Numbers (Long)
803
564
Fibonacci
883
493
Fizz Buzz
465441841500553453956748452504484508446876342543
Foo Fizz Buzz Bar
716
876
774
767
Forsyth–Edwards Notation
363
Fractions
699
Happy Numbers
414
Happy Numbers (Long)
496
Intersection
728
ISBN
783
Kolakoski Constant
434
60
Kolakoski Sequence
611
Leap Years
818
572
Levenshtein Distance
586
Leyland Numbers
450
67
Look and Say
589
Lucky Numbers
490
Lucky Tickets
Morse Decoder
554
Morse Encoder
555
Musical Chords
289
Niven Numbers
823
Niven Numbers (Long)
687
Number Spiral
492
Odious Numbers
822
453
Odious Numbers (Long)
807
560
Ordinal Numbers
760
Pangram Grep
788
Pascal’s Triangle
650
487
62
Pernicious Numbers
689
349
Prime Numbers
783
386
Prime Numbers (Long)
792
512
Recamán
434
538
Reverse Polish Notation
377
Roman to Arabic
424
Rule 110
400
Seven Segment
453
Sierpiński Triangle
377
Smith Numbers
693
40
Spelling Numbers
462
Star Wars Opening Crawl
58
Time Distance
669
Tongue-twisters
340
421
United States
331
Vampire Numbers
420
70
Van Eck Sequence
398
20
π
310
56
τ
292
φ
619
√2
903
𝑒
528