12 Days of Christmas
12th
17th
22nd
207th
10th
24 Game
15th
4th
99 Bottles of Beer
27th
489th
8th
Abundant Numbers
19th
264th
6th
Abundant Numbers (Long)
10th
178th
6th
Arabic to Roman
123rd
12th
Arrows
150th
Ascending Primes
179th
ASCII Table
18th
114th
8th
brainfuck
88th4th
Card Number Validation
135th
Catalan Numbers
15th
93rd
364th
4th
Catalan’s Constant
17th
46th
148th
4th
Christmas Trees
24th
63rd
2nd
Collatz
17th
134th
10th
CSS Colors
41st
95th
5th
Cubes
11th
97th
4th
Day of Week
1st
59th
109th
7th
Diamonds
20th
43rd
83rd
3rd
Divisors
33rd
1st
8th
Emirp Numbers
15th
167th
306th
4th
Emirp Numbers (Long)
10th
146th
2nd
Emojify
99th
Evil Numbers
22nd
22nd
128th
6th
Evil Numbers (Long)
10th
13th
35th
4th
Factorial Factorisation
170th
Fibonacci
26th
178th
26th
Fizz Buzz
171st
96th
55th
35th
269th
54th
11th
17th
Foo Fizz Buzz Bar
8th
48th
1st
7th
Forsyth–Edwards Notation
93rd
Fractions
97th
1st
Game of Life
121st
Gijswijt’s Sequence
7th
8th
5th
6th
9th
37th
10th8th
122nd
7th
4th
11th
Happy Numbers
13th
53rd
177th
7th
Happy Numbers (Long)
10th
105th
3rd
Hexdump
162nd
Intersection
60th
Inventory Sequence
14th
175th
3rd
ISBN
115th
Jacobi Symbol
98th
Kolakoski Constant
20th16th17th26th19th16th39th24th20th17th22nd11th16th16th6th6th13th17th20th20th14th
15th8th29th38th14th7th26th6th5th4th13th16th33rd8th136th12th13th32nd11th7th6th6th8th5th7th4th10th
Kolakoski Sequence
22nd
108th
71st
5th
Leap Years
18th
567th
10th
Levenshtein Distance
1st
Leyland Numbers
18th
145th
4th
ln 2
102nd
Look and Say
8th
158th
3rd
Lucky Numbers
13th
13th
55th
78th
4th
Lucky Tickets
155th
Morse Decoder
209th
Morse Encoder
238th
N Queens
85th
Niven Numbers
23rd
393rd
7th
Niven Numbers (Long)
15th
214th
6th
Number Spiral
16th
5th
Odious Numbers
22nd
23rd
148th
7th
Odious Numbers (Long)
11th
13th
148th
4th
Ordinal Numbers
119th
1st
7th
Pangram Grep
135th
Pascal’s Triangle
19th
93rd
74th
7th
Pernicious Numbers
18th
141st
6th
Pernicious Numbers (Long)
14th
116th
6th
Prime Numbers
19th
260th
78th
399th
24th
7th
Prime Numbers (Long)
14th
564th
32nd
5th
Quine
1st
1st
67th
Recamán
17th
40th
4th
Repeating Decimals
10th
86th
Reverse Polish Notation
214th
Rijndael S-box
13th
2nd
Rock-paper-scissors-Spock-lizard
14th
264th
Roman to Arabic
54th
ROT13
80th
27th
Rule 110
16th
101st
277th
4th
Seven Segment
170th
SI Units
39th
3rd
Sierpiński Triangle
15th
5th
Smith Numbers
14th
67th
26th
4th
Spelling Numbers
83rd
Time Distance
55th
Tongue-twisters
16th8th
226th
10th
Transpose Sentence
136th
United States
216th
Vampire Numbers
17th
116th
3rd
Van Eck Sequence
15th
235th
2nd
Zeckendorf Representation
81st
γ
14th
27th
82nd
5th
5th
λ
26th
72nd
138th
4th
π
23rd
177th
187th
49th
4th
τ
24th
190th
32nd
4th
φ
28th
169th
4th
√2
25th
141st
4th
𝑒
25th
93rd13th
5th