12 Days of Christmas
14th
122nd
99 Bottles of Beer
365th
Abundant Numbers
121st272nd
1,006th
Abundant Numbers (Long)
64th138th
353rd
Arabic to Roman
297th
Arithmetic Numbers
331st
Arrows
34th107th
288th
Ascending Primes
226th
ASCII Table
327th
Card Number Validation
184th
Catalan Numbers
238th
Catalan’s Constant
146th
Christmas Trees
43rd
209th
Collatz
555th
CSS Colors
231st
Cubes
268th
Day of Week
31st
118th
Diamonds
245th
Divisors
1,106th
Emirp Numbers
451st
Emirp Numbers (Long)
237th
Emojify
29th99th
194th
Evil Numbers
489th
Evil Numbers (Long)
307th
Factorial Factorisation
175th
Farey Sequence
153rd
Fibonacci
219th
1,018th
Fizz Buzz
74th382nd1,242nd
1,538th
Foo Fizz Buzz Bar
92nd285th
620th
Forsyth–Edwards Notation
103rd
Fractions
451st
Game of Life
159th
Gijswijt’s Sequence
78th
Happy Numbers
107th
Happy Numbers (Long)
340th
Hexdump
16th
Intersection
22nd
Inventory Sequence
167th
ISBN
112th
316th
Kolakoski Sequence
98th
276th
Leap Years
368th
Leyland Numbers
314th
Look and Say
134th
327th
Morse Decoder
209th
Morse Encoder
209th
Niven Numbers
763rd
Niven Numbers (Long)
394th
Number Spiral
120th
Odious Numbers
507th
Odious Numbers (Long)
119th
318th
Ordinal Numbers
201st
270th
Pangram Grep
204th
453rd
Pascal’s Triangle
209th
Pernicious Numbers
319th
Pernicious Numbers (Long)
209th
Prime Numbers
435th
Prime Numbers (Long)
71st
66th
21st381st
Quine
72nd
Recamán
307th
Reverse Polish Notation
89th
Rock-paper-scissors-Spock-lizard
249th
Roman to Arabic
277th
Set
107th
Seven Segment
262nd
Sierpiński Triangle
313th
Sudoku
80th
Time Distance
152nd
Tongue-twisters
204th
United States
303rd
Van Eck Sequence
233rd
Zeckendorf Representation
109th
γ
84th
π
213th
τ
272nd
φ
269th
√2
406th
𝑒
232nd