12 Days of Christmas
63rd
32nd
99 Bottles of Beer
165th
25th
Abundant Numbers
87th
254th
Abundant Numbers (Long)
90th
176th
Arabic to Roman
235th
Arithmetic Numbers
388th
Ascending Primes
18th
ASCII Table
85th
3rd
Billiards
22nd
Card Number Validation
4th
Catalan Numbers
248th
42nd
Catalan’s Constant
75th
62nd
Christmas Trees
74th
299th
Collatz
301st
451st
Cubes
22nd
140th
Diamonds
140th
8th
Divisors
491st
28th
Emirp Numbers
393rd
9th
Emirp Numbers (Long)
270th
51st
Evil Numbers
545th
45th444th
Evil Numbers (Long)
333rd
41st662nd
Factorial Factorisation
79th
97th
Farey Sequence
5th
Fibonacci
413th
45th
Fizz Buzz
60th9,121st
Foo Fizz Buzz Bar
425th
11th
Fractions
286th
91st
Game of Life
143rd
Gijswijt’s Sequence
117th
Happy Numbers
158th
30th
Happy Numbers (Long)
110th
82nd
Hexdump
42nd
Intersection
70th
25th
Inventory Sequence
236th
34th
ISBN
176th
53rd
Jacobi Symbol
157th
Kolakoski Constant
39th
118th
Kolakoski Sequence
87th
25th
Leap Years
169th
42nd
Levenshtein Distance
241st
Leyland Numbers
263rd
23rd
Look and Say
98th
61st
Lucky Numbers
267th
12th
Lucky Tickets
120th
11th
Niven Numbers
386th
49th
Niven Numbers (Long)
56th
Number Spiral
211th
49th
Odious Numbers
450th
43rd260th
Odious Numbers (Long)
287th
41st
Ordinal Numbers
234th
191st355th
PalindromemordnilaP
109th274th16th
Pangram Grep
184th
33rd
Pascal’s Triangle
313th
49th
Pernicious Numbers
1,204th
38th
Pernicious Numbers (Long)
277th
34th
Prime Numbers
332nd
115th560th
Prime Numbers (Long)
390th
104th
Quine
1,136th
163rd
Recamán
130th
34th
Repeating Decimals
20th
Reverse Polish Notation
123rd
80th
Rijndael S-box
86th
Roman to Arabic
209th
82nd
ROT13
261st
8th
Rule 110
232nd
29th
Seven Segment
56th
Sierpiński Triangle
83rd
111th
Smith Numbers
86th
Spelling Numbers
391st
172nd
Tic-tac-toe
142nd
34th
Tongue-twisters
182nd
Tower of Hanoi
59th
Transpose Sentence
80th
United States
Vampire Numbers
76th
28th
Van Eck Sequence
525th
50th
Zeckendorf Representation
43rd
π
277th
73rd
τ
311th
76th
φ
247th
38th
√2
295th
40th
𝑒
362nd
66th