12 Days of Christmas
25th
99 Bottles of Beer
42nd
Abundant Numbers
400th38th
Arabic to Roman
38th
Christmas Trees
248th36th
CSS Colors
106th28th
Cubes
18th
Diamonds
37th
Divisors
118th41st
Emirp Numbers
337th56th
Emojify
Evil Numbers
341st53rd
Fibonacci
186th7th
Fizz Buzz
409th209th80th
Happy Numbers
199th54th
Intersection
30th
Kolakoski Constant
116th29th
Kolakoski Sequence
64th18th
Leap Years
174th48th
Levenshtein Distance
109th
Leyland Numbers
153rd23rd
Look and Say
27th
Lucky Tickets
22nd
Morse Decoder
16th
Morse Encoder
17th
Niven Numbers
206th13th
Odious Numbers
255th46th
Ordinal Numbers
209th27th
Pangram Grep
48th
Pascal’s Triangle
31st
Pernicious Numbers
279th47th
Prime Numbers
156th27th
Quine
96th
Recamán
115th32nd
Rock-paper-scissors-Spock-lizard
31st
Roman to Arabic
33rd
Rule 110
29th
Seven Segment
28th
Sierpiński Triangle
93rd14th
Tongue-twisters
33rd
Vampire Numbers
181st37th
λ
74th22nd
π
41st
τ
47th
φ
277th50th
√2
50th
𝑒
43rd