12 Days of Christmas
12th
99 Bottles of Beer
42nd
Abundant Numbers
373rd39th
Arabic to Roman
35th
Christmas Trees
221st35th
CSS Colors
87th24th
Cubes
15th
Diamonds
37th
Divisors
1st44th
Emirp Numbers
317th50th
Emojify
Evil Numbers
353rd56th
Fibonacci
189th8th
Fizz Buzz
412th59th81st
Happy Numbers
163rd48th
Intersection
27th
Kolakoski Constant
116th27th
Kolakoski Sequence
20th19th
Leap Years
174th50th
Levenshtein Distance
91st
Leyland Numbers
129th19th
Look and Say
25th
Lucky Tickets
19th
Morse Decoder
12th
Morse Encoder
17th
Niven Numbers
210th7th
Odious Numbers
264th49th
Ordinal Numbers
190th27th
Pangram Grep
50th
Pascal’s Triangle
31st
Pernicious Numbers
280th49th
Prime Numbers
162nd24th
Quine
85th
Recamán
77th31st
Rock-paper-scissors-Spock-lizard
31st
Roman to Arabic
33rd
Rule 110
26th
Seven Segment
26th
Sierpiński Triangle
76th14th
Tongue-twisters
30th
Vampire Numbers
224th41st
λ
126th27th
π
τ
φ
275th
√2
𝑒
42nd