12 Days of Christmas
14th
20th
25th
231st
11th
24 Game
16th
5th
99 Bottles of Beer
31st
524th
8th
Abundant Numbers
19th
292nd
6th
Abundant Numbers (Long)
10th
199th
6th
Arabic to Roman
143rd
13th
Arrows
174th
Ascending Primes
210th
ASCII Table
21st
130th
8th
brainfuck
104th6th
Card Number Validation
155th
Catalan Numbers
17th
101st
393rd
4th
Catalan’s Constant
19th
52nd
163rd
5th
Christmas Trees
32nd
84th
3rd
Collatz
18th
155th
11th
CSS Colors
41st
106th
5th
Cubes
11th
102nd
5th
Day of Week
1st
71st
136th
8th
Diamonds
24th
48th
93rd
4th
Divisors
35th
1st
8th
Emirp Numbers
17th
174th
326th
4th
Emirp Numbers (Long)
10th
164th
3rd
Emojify
112th
Evil Numbers
24th
28th
145th
6th
Evil Numbers (Long)
12th
13th
43rd
4th
Factorial Factorisation
196th
Fibonacci
27th
197th
28th
Fizz Buzz
177th
99th
57th
79th
277th
68th
11th
18th
Foo Fizz Buzz Bar
8th
52nd
1st
8th
Forsyth–Edwards Notation
106th
Fractions
121st
1st
Game of Life
137th
Gijswijt’s Sequence
8th
11th
5th
8th
11th
44th
12th8th
140th
7th
4th
13th
Happy Numbers
13th
60th
197th
7th
Happy Numbers (Long)
11th
123rd
3rd
Hexdump
179th
Intersection
70th
Inventory Sequence
15th
204th
4th
ISBN
133rd
Jacobi Symbol
114th
Kolakoski Constant
20th17th17th29th21st17th42nd25th20th18th23rd12th16th16th7th6th15th18th21st22nd14th
19th8th32nd47th15th11th26th7th6th5th14th16th34th8th152nd12th14th36th15th7th9th7th9th6th9th4th12th
Kolakoski Sequence
25th
114th
84th
6th
Leap Years
20th
602nd
12th
Levenshtein Distance
1st
Leyland Numbers
18th
156th
4th
ln 2
129th
Look and Say
10th
183rd
4th
Lucky Numbers
13th
13th
68th
82nd
4th
Lucky Tickets
171st
Morse Decoder
225th
Morse Encoder
252nd
N Queens
98th
Niven Numbers
26th
424th
7th
Niven Numbers (Long)
16th
240th
6th
Number Spiral
17th
5th
Odious Numbers
24th
29th
165th
7th
Odious Numbers (Long)
12th
13th
167th
4th
Ordinal Numbers
133rd
1st
7th
Pangram Grep
155th
Pascal’s Triangle
19th
103rd
89th
8th
Pernicious Numbers
21st
159th
6th
Pernicious Numbers (Long)
15th
134th
6th
Prime Numbers
22nd
277th
79th
427th
24th
7th
Prime Numbers (Long)
15th
600th
37th
6th
Quine
1st
1st
83rd
Recamán
18th
48th
5th
Repeating Decimals
11th
103rd
Reverse Polish Notation
233rd
Rijndael S-box
14th
3rd
Rock-paper-scissors-Spock-lizard
16th
280th
Roman to Arabic
57th
ROT13
98th
30th
Rule 110
17th
104th
298th
5th
Seven Segment
187th
SI Units
49th
3rd
Sierpiński Triangle
16th
6th
Smith Numbers
15th
74th
29th
4th
Spelling Numbers
94th
Time Distance
64th
Tongue-twisters
18th10th
245th
14th
Transpose Sentence
159th
United States
231st
Vampire Numbers
17th
133rd
4th
Van Eck Sequence
16th
254th
3rd
Zeckendorf Representation
99th
γ
19th
33rd
96th
6th
5th
λ
29th
78th
151st
4th
π
27th
188th
209th
39th
5th
τ
24th
205th
33rd
4th
φ
29th
182nd
4th
√2
26th
164th
5th
𝑒
27th
115th19th
5th