12 Days of Christmas
99 Bottles of Beer
20
Abundant Numbers
Arabic to Roman
Arrows
brainfuck
Christmas Trees
CSS Colors
Cubes
Diamonds
Divisors
Emirp Numbers
Emojify
Evil Numbers
Fibonacci
889
698
242
958
981
688
667
468
988
875
Fizz Buzz
613
Happy Numbers
Intersection
Kolakoski Constant
Kolakoski Sequence
Leap Years
636
Levenshtein Distance
Leyland Numbers
Look and Say
Lucky Tickets
Morse Decoder
Morse Encoder
Niven Numbers
694
Odious Numbers
Ordinal Numbers
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
773
Poker
Prime Numbers
618
Quine
1,000
1,000
943
526
1,000
179
600
931
1,000
854
958
630
964
893
1,000
1,000
1,000
487
1,000
818
378
969
630
1,000
1,000
918
730
324
Recamán
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
Sierpiński Triangle
Spelling Numbers
Ten-pin Bowling
Tongue-twisters
United States
Vampire Numbers
λ
π
τ
φ
√2
𝑒