12 Days of Christmas
6th
111th
99 Bottles of Beer
323rd
Abundant Numbers
109th250th
919th
Abundant Numbers (Long)
53rd120th
301st
Arabic to Roman
259th
Arithmetic Numbers
261st
Arrows
30th98th
253rd
Ascending Primes
161st
ASCII Table
280th
Card Number Validation
140th
Catalan Numbers
209th
Catalan’s Constant
125th
Christmas Trees
38th
186th
Collatz
475th
CSS Colors
199th
Cubes
247th
Day of Week
21st
93rd
Diamonds
216th
Divisors
1,035th
Emirp Numbers
411th
Emirp Numbers (Long)
202nd
Emojify
23rd89th
173rd
Evil Numbers
442nd
Evil Numbers (Long)
263rd
Factorial Factorisation
134th
Farey Sequence
128th
Fibonacci
189th
931st
Fizz Buzz
70th354th1,184th
1,451st
Foo Fizz Buzz Bar
76th250th
563rd
Forsyth–Edwards Notation
90th
Fractions
399th
Game of Life
136th
Gijswijt’s Sequence
62nd
Happy Numbers
88th
Happy Numbers (Long)
300th
Hexdump
13th
Intersection
14th
Inventory Sequence
141st
ISBN
99th
280th
Kolakoski Sequence
91st
249th
Leap Years
335th
Leyland Numbers
285th
Look and Say
118th
299th
Morse Decoder
189th
Morse Encoder
194th
Niven Numbers
704th
Niven Numbers (Long)
349th
Number Spiral
112th
Odious Numbers
458th
Odious Numbers (Long)
105th
273rd
Ordinal Numbers
189th
249th
Pangram Grep
184th
412th
Pascal’s Triangle
186th
Pernicious Numbers
287th
Pernicious Numbers (Long)
185th
Prime Numbers
398th
Prime Numbers (Long)
63rd
56th
19th340th
Quine
56th
Recamán
281st
Reverse Polish Notation
82nd
Rock-paper-scissors-Spock-lizard
231st
Roman to Arabic
248th
Seven Segment
242nd
Sierpiński Triangle
285th
Sudoku
67th
Time Distance
130th
Tongue-twisters
174th
United States
265th
Van Eck Sequence
202nd
Zeckendorf Representation
89th
γ
70th
π
190th
τ
236th
φ
238th
√2
368th
𝑒
204th