12 Days of Christmas
517
358
99 Bottles of Beer
657
Abundant Numbers
691
555
492
632
Abundant Numbers (Long)
849
606
542
816
Arabic to Roman
520
Arrows
333
ASCII Table
601
Catalan Numbers
444
Catalan’s Constant
303
Christmas Trees
445
Collatz
892
638
850
Cubes
33
Day of Week
194
Diamonds
392
49
Divisors
721
549
766
Emirp Numbers
279
365
Emirp Numbers (Long)
427
Emojify
251
Evil Numbers
489
441
Evil Numbers (Long)
502
566
Fibonacci
538
493
Fizz Buzz
465441841500553453673748452504484508446876342543
Foo Fizz Buzz Bar
717
695
774
771
Forsyth–Edwards Notation
307
Fractions
582
Happy Numbers
275
Happy Numbers (Long)
365
Intersection
640
ISBN
638
Kolakoski Constant
323
58
Kolakoski Sequence
409
Leap Years
520
572
Levenshtein Distance
518
Leyland Numbers
358
67
Look and Say
448
Lucky Numbers
362
Lucky Tickets
Morse Decoder
469
Morse Encoder
482
Musical Chords
239
Niven Numbers
525
Niven Numbers (Long)
462
Number Spiral
404
Odious Numbers
508
454
Odious Numbers (Long)
513
562
Ordinal Numbers
608
Pangram Grep
612
Pascal’s Triangle
651
332
62
Pernicious Numbers
427
349
Prime Numbers
504
386
Prime Numbers (Long)
525
514
Recamán
312
538
Reverse Polish Notation
328
Roman to Arabic
341
Rule 110
306
Seven Segment
371
Sierpiński Triangle
258
Smith Numbers
550
40
Spelling Numbers
455
Star Wars Opening Crawl
58
Time Distance
611
Tongue-twisters
340
359
United States
291
Vampire Numbers
325
70
Van Eck Sequence
277
20
π
227
56
τ
216
φ
407
√2
493
𝑒
382