12 Days of Christmas
21st
145th
58th
88th
11th
21st
8th
11th
58th
47th
12th
98th
308th
30th
16th
36th
49th
28th
15th
34th
45th
8th
6th
754th
33rd
76th
69th
14th
41st
20th
11th
12th
99 Bottles of Beer
44th
6th
Abundant Numbers
53rd
2nd
9th
403rd
63rd
Abundant Numbers (Long)
6th
5th
Arithmetic Numbers
21st
59th
1st
4th
174th
ASCII Table
26th
6th
260th
brainfuck
6th
Catalan Numbers
10th
219th
Catalan’s Constant
8th
Collatz
7th
CSS Colors
15th
6th
Cubes
25th
Day of Week
22nd
1st
3rd
Diamonds
37th
Divisors
11th
812th
Emirp Numbers
19th
10th
Emirp Numbers (Long)
8th
4th
Emojify
16th
Evil Numbers
33rd
7th
10th
Evil Numbers (Long)
41st
16th
1st
Factorial Factorisation
9th
3rd
Farey Sequence
2nd
5th
Fibonacci
36th
11th
130th
50th
Fizz Buzz
70th
Happy Numbers
18th
Happy Numbers (Long)
20th
Intersection
9th
Kolakoski Constant
11th
8th
Leap Years
128th
1st
12th
Leyland Numbers
20th
12th
6th
132nd
ln 2
9th
8th
Look and Say
11th
8th
254th
N Queens
4th
4th
Niven Numbers
27th
22nd
11th
Niven Numbers (Long)
5th
10th
Odious Numbers
56th
9th
1st
197th
9th
Odious Numbers (Long)
40th
17th
1st
Ordinal Numbers
8th
Pangram Grep
383rd
Pernicious Numbers
41st
25th
11th
257th
Prime Numbers
1st
11th
17th
Prime Numbers (Long)
6th
Recamán
22nd
13th
6th
220th
Reverse Polish Notation
9th
Seven Segment
14th
211th
Smith Numbers
5th
Spelling Numbers
5th
Tongue-twisters
9th
16th
United States
5th
Vampire Numbers
8th
5th
8th
101st
γ
7th
4th
λ
13th
6th
π
13th
9th
τ
15th
φ
11th
12th
263rd
√2
15th
10th
83rd
48th
𝑒
24th
11th
10th