12 Days of Christmas
407
99 Bottles of Beer
400
Abundant Numbers
690
Arabic to Roman
456
brainfuck
383
Catalan Numbers
688
Catalan’s Constant
337
Christmas Trees
621
CSS Colors
238223220
Cubes
734457
Diamonds
455
Divisors
857
Emirp Numbers
458
Emojify
869683929
Evil Numbers
886976836
Fibonacci
963947771782
Fizz Buzz
800898723648
Foo Fizz Buzz Bar
635
Fractions
633
Happy Numbers
558
Intersection
840585
Jacobi Symbol
568
Kolakoski Constant
630
Kolakoski Sequence
642638
Leap Years
882878923
Levenshtein Distance
737446870
Leyland Numbers
705
Look and Say
550
Lucky Tickets
866481747
Morse Encoder
408
Niven Numbers
978880968
Niven Numbers (Long)
820
Odious Numbers
909976866
Ordinal Numbers
889667788
Pangram Grep
753
Pascal’s Triangle
658
Pernicious Numbers
656690655
Prime Numbers
889
Prime Numbers (Long)
826936
Quine
969
414
Recamán
911797861
Rock-paper-scissors-Spock-lizard
442
Roman to Arabic
404
Rule 110
634
Seven Segment
375
Sierpiński Triangle
684
Spelling Numbers
285
Sudoku
341
Tongue-twisters
336
United States
722653840
Vampire Numbers
560448447
Van Eck Sequence
631
λ
372472348
π
981795
τ
981795
φ
966852239
√2
990875
𝑒
765716171