12 Days of Christmas
18th
221st
99 Bottles of Beer
401st
Abundant Numbers
122nd273rd
1,015th
Abundant Numbers (Long)
65th140th
370th
Arabic to Roman
313th
Arithmetic Numbers
342nd
Arrows
34th111th
294th
Ascending Primes
231st
ASCII Table
342nd
Card Number Validation
188th
Catalan Numbers
250th
Catalan’s Constant
129th
Christmas Trees
45th
250th
Collatz
572nd
CSS Colors
239th
Cubes
283rd
Day of Week
33rd
145th
Diamonds
270th
Divisors
1,119th
Emirp Numbers
465th
Emirp Numbers (Long)
246th
Emojify
28th100th
191st
Evil Numbers
499th
Evil Numbers (Long)
315th
Factorial Factorisation
181st
Farey Sequence
158th
Fibonacci
225th
1,026th
Fizz Buzz
74th390th1,250th
1,576th
Foo Fizz Buzz Bar
96th289th
633rd
Forsyth–Edwards Notation
93rd
Fractions
461st
Game of Life
167th
Gijswijt’s Sequence
90th
Happy Numbers
163rd
Happy Numbers (Long)
345th
Hexdump
17th
Intersection
22nd
Inventory Sequence
183rd
ISBN
116th
322nd
Kolakoski Sequence
99th
279th
Leap Years
379th
Leyland Numbers
321st
Look and Say
135th
339th
Morse Decoder
214th
Morse Encoder
219th
Niven Numbers
773rd
Niven Numbers (Long)
400th
Number Spiral
133rd
Odious Numbers
514th
Odious Numbers (Long)
120th
325th
Ordinal Numbers
203rd
283rd
Pangram Grep
210th
465th
Pascal’s Triangle
225th
Pernicious Numbers
329th
Pernicious Numbers (Long)
221st
Prime Numbers
463rd
Prime Numbers (Long)
71st
66th
21st394th
Quine
72nd
Recamán
315th
Reverse Polish Notation
92nd
Rock-paper-scissors-Spock-lizard
278th
Roman to Arabic
287th
Set
114th
Seven Segment
277th
Sierpiński Triangle
319th
Sudoku
95th
Time Distance
161st
Tongue-twisters
235th
United States
311th
Van Eck Sequence
243rd
Zeckendorf Representation
118th
γ
94th
π
237th
τ
278th
φ
278th
√2
421st
𝑒
240th