12 Days of Christmas
572
358
99 Bottles of Beer
724
Abundant Numbers
691
555
492
632
Abundant Numbers (Long)
849
627
542
816
Arabic to Roman
610
Arrows
415
ASCII Table
686
Catalan Numbers
443
Catalan’s Constant
303
Christmas Trees
532
Collatz
891
645
850
Cubes
33
Day of Week
194
Diamonds
503
49
Divisors
721
549
766
Emirp Numbers
279
365
Emirp Numbers (Long)
426
Emojify
275
Evil Numbers
497
441
Evil Numbers (Long)
509
566
Fibonacci
538
493
Fizz Buzz
465441841500553453680748452504484508446876342543
Foo Fizz Buzz Bar
716
705
774
770
Forsyth–Edwards Notation
332
Fractions
598
Happy Numbers
343
Happy Numbers (Long)
407
Intersection
728
ISBN
652
Kolakoski Constant
434
58
Kolakoski Sequence
474
Leap Years
552
572
Levenshtein Distance
588
Leyland Numbers
435
67
Look and Say
447
Lucky Numbers
365
Lucky Tickets
Morse Decoder
554
Morse Encoder
555
Musical Chords
289
Niven Numbers
533
Niven Numbers (Long)
468
Number Spiral
493
Odious Numbers
516
454
Odious Numbers (Long)
512
562
Ordinal Numbers
662
Pangram Grep
637
Pascal’s Triangle
651
367
62
Pernicious Numbers
434
349
Prime Numbers
504
386
Prime Numbers (Long)
525
513
Recamán
318
538
Reverse Polish Notation
377
Roman to Arabic
379
Rule 110
400
Seven Segment
453
Sierpiński Triangle
377
Smith Numbers
674
40
Spelling Numbers
463
Star Wars Opening Crawl
58
Time Distance
670
Tongue-twisters
340
422
United States
332
Vampire Numbers
343
70
Van Eck Sequence
379
20
π
243
56
τ
238
φ
439
√2
492
𝑒
409