12 Days of Christmas
256th
99 Bottles of Beer
380th
Arabic to Roman
211th
Christmas Trees
370th
Cubes
117th
Diamonds
284th
Divisors
436th
Emirp Numbers
366th
Evil Numbers
762nd
Fibonacci
1,091st
Fizz Buzz
642nd
2,247th
323rd
Happy Numbers
383rd
Leap Years
337th
Morse Decoder
181st
Morse Encoder
190th
Niven Numbers
502nd
Odious Numbers
531st
Ordinal Numbers
406th
Pangram Grep
442nd
Pascal’s Triangle
307th
Pernicious Numbers
343rd
Prime Numbers
720th
Quine
235th
Rock-paper-scissors-Spock-lizard
97th
Roman to Arabic
228th
Rule 110
112th
Seven Segment
196th
Spelling Numbers
148th
Sudoku
104th
Ten-pin Bowling
128th
λ
61st104th37th40th53rd158th43rd35th
π
400th
τ
271st
φ
51st
368th
53rd
√2
66th
538th
51st
𝑒
80th
61st417th60th69th