12 Days of Christmas
62nd
42nd
99 Bottles of Beer
175th
27th
Abundant Numbers
103rd
296th
Abundant Numbers (Long)
123rd
208th
Arabic to Roman
252nd
Arithmetic Numbers
427th
Ascending Primes
19th
ASCII Table
93rd
3rd
Billiards
27th
Card Number Validation
4th
Catalan Numbers
268th
43rd
Catalan’s Constant
79th
64th
Christmas Trees
76th
331st
Collatz
317th
494th
Cubes
30th
158th
Diamonds
152nd
8th
Divisors
503rd
29th
Emirp Numbers
402nd
22nd
Emirp Numbers (Long)
314th
60th
Evil Numbers
533rd
52nd472nd
Evil Numbers (Long)
356th
49th705th
Factorial Factorisation
90th
107th
Farey Sequence
5th
Fibonacci
440th
49th
Fizz Buzz
65th9,341st
Foo Fizz Buzz Bar
454th
9th
Fractions
325th
97th
Game of Life
160th
Gijswijt’s Sequence
147th
Happy Numbers
176th
37th
Happy Numbers (Long)
123rd
93rd
Hexdump
45th
Intersection
68th
29th
Inventory Sequence
263rd
40th
ISBN
200th
55th
Jacobi Symbol
195th
Kolakoski Constant
39th
126th
Kolakoski Sequence
100th
33rd
Leap Years
166th
48th
Levenshtein Distance
252nd
Leyland Numbers
286th
25th
Look and Say
106th
71st
Lucky Numbers
295th
15th
Lucky Tickets
133rd
15th
Niven Numbers
389th
56th
Niven Numbers (Long)
62nd
Number Spiral
242nd
52nd
Odious Numbers
448th
51st280th
Odious Numbers (Long)
306th
49th
Ordinal Numbers
243rd
214th371st
PalindromemordnilaP
120th320th19th
Pangram Grep
198th
37th
Pascal’s Triangle
343rd
57th
Pernicious Numbers
1,277th
43rd
Pernicious Numbers (Long)
330th
37th
Prime Numbers
359th
126th608th
Prime Numbers (Long)
427th
115th
Quine
757th
176th
Recamán
143rd
38th
Repeating Decimals
17th
Reverse Polish Notation
131st
87th
Rijndael S-box
81st
Roman to Arabic
236th
94th
ROT13
300th
11th
Rule 110
257th
30th
Seven Segment
82nd
Sierpiński Triangle
92nd
118th
Smith Numbers
97th
Spelling Numbers
424th
271st
Tic-tac-toe
163rd
42nd
Tongue-twisters
222nd
Tower of Hanoi
102nd
Transpose Sentence
95th
United States
Vampire Numbers
84th
30th
Van Eck Sequence
577th
54th
Zeckendorf Representation
48th
π
309th
78th
τ
338th
82nd
φ
262nd
40th
√2
322nd
42nd
𝑒
384th
72nd