12 Days of Christmas
115th
87th
99 Bottles of Beer
60th
Arabic to Roman
52nd
Christmas Trees
391st35th
Cubes
31st
Diamonds
46th
Divisors
468th68th
Emirp Numbers
433rd25th
Evil Numbers
74th
Fibonacci
859th58th
Fizz Buzz
70th
Happy Numbers
37th
Leap Years
86th
Morse Decoder
24th
Morse Encoder
26th
Niven Numbers
71st
Odious Numbers
56th
Ordinal Numbers
112th43rd
Pangram Grep
80th
Pascal’s Triangle
64th
Pernicious Numbers
58th
Prime Numbers
25th
Quine
96th
Rock-paper-scissors-Spock-lizard
213th30th
Roman to Arabic
50th
Rule 110
37th
Seven Segment
38th
Sierpiński Triangle
36th
λ
20th
π
101st173rd77th
τ
48th
φ
54th
√2
54th
𝑒
61st