12 Days of Christmas
15th
99 Bottles of Beer
43rd
Abundant Numbers
400th43rd
Arabic to Roman
39th
Christmas Trees
243rd36th
CSS Colors
100th28th
Cubes
22nd
Diamonds
45th
Divisors
25th53rd
Emirp Numbers
335th57th
Emojify
Evil Numbers
380th61st
Fibonacci
213th11th
Fizz Buzz
432nd85th84th
Happy Numbers
178th53rd
Intersection
30th
Kolakoski Constant
135th32nd
Kolakoski Sequence
25th21st
Leap Years
192nd56th
Levenshtein Distance
82nd
Leyland Numbers
142nd22nd
Look and Say
28th
Lucky Tickets
27th
Morse Decoder
15th
Morse Encoder
18th
Niven Numbers
228th7th
Odious Numbers
292nd54th
Ordinal Numbers
207th30th
Pangram Grep
54th
Pascal’s Triangle
37th
Pernicious Numbers
302nd57th
Prime Numbers
190th28th
Quine
88th
Recamán
87th37th
Rock-paper-scissors-Spock-lizard
36th
Roman to Arabic
34th
Rule 110
31st
Seven Segment
31st
Sierpiński Triangle
88th16th
Tongue-twisters
37th
Vampire Numbers
241st44th
λ
122nd32nd
π
τ
φ
294th
√2
𝑒
48th