12 Days of Christmas
103rd
15th
99 Bottles of Beer
192nd
21st
Abundant Numbers
99th
278th
Abundant Numbers (Long)
207th
77th
Arabic to Roman
278th
Arithmetic Numbers
531st
Ascending Primes
8th
ASCII Table
116th
2nd
Billiards
26th
Card Number Validation
15th
Catalan Numbers
324th
18th
Catalan’s Constant
92nd
68th
Christmas Trees
60th
321st
Collatz
306th
456th
Cubes
37th
195th
Diamonds
169th
3rd
Divisors
532nd
80th
Emirp Numbers
429th
15th
Emirp Numbers (Long)
345th
150th
Evil Numbers
609th
32nd530th
Evil Numbers (Long)
386th
7th772nd
Factorial Factorisation
100th
136th
Farey Sequence
288th
Fibonacci
575th
30th
Fizz Buzz
5th9,581st
Foo Fizz Buzz Bar
446th
3rd
Fractions
356th
107th
Game of Life
238th
Gijswijt’s Sequence
150th
Happy Numbers
196th
27th
Happy Numbers (Long)
87th
41st
Hexdump
34th
Intersection
69th
19th
Inventory Sequence
317th
49th
ISBN
208th
44th
Jacobi Symbol
229th
Kolakoski Constant
46th
131st
Kolakoski Sequence
111th
36th
Leap Years
221st
3rd
Levenshtein Distance
264th
Leyland Numbers
303rd
19th
Look and Say
132nd
74th
Lucky Numbers
329th
15th
Lucky Tickets
160th
7th
Niven Numbers
425th
40th
Niven Numbers (Long)
39th
Number Spiral
279th
61st
Odious Numbers
508th
35th308th
Odious Numbers (Long)
346th
35th
Ordinal Numbers
255th
197th386th
PalindromemordnilaP
129th419th37th
Pangram Grep
214th
20th
Pascal’s Triangle
363rd
32nd
Pernicious Numbers
1,492nd
29th
Pernicious Numbers (Long)
314th
28th
Prime Numbers
410th
157th674th
Prime Numbers (Long)
492nd
140th
Quine
1,283rd
150th
Recamán
155th
28th
Repeating Decimals
22nd
Reverse Polish Notation
139th
111th
Rijndael S-box
106th
Roman to Arabic
221st
61st
ROT13
348th
15th
Rule 110
285th
20th
Seven Segment
109th
Sierpiński Triangle
269th
77th
Smith Numbers
233rd
Spelling Numbers
475th
329th
Tic-tac-toe
190th
6th
Tongue-twisters
273rd
Tower of Hanoi
140th
Transpose Sentence
132nd
United States
Vampire Numbers
112th
18th
Van Eck Sequence
646th
63rd
Zeckendorf Representation
50th
π
381st
10th
τ
404th
93rd
φ
295th
16th
√2
327th
14th
𝑒
444th
8th