12 Days of Christmas
86th
42nd
24 Game
7th
99 Bottles of Beer
50th
14th
Abundant Numbers
35th
11th
24th
Abundant Numbers (Long)
18th
8th
21st
Arabic to Roman
41st
Arithmetic Numbers
12th
Arrows
18th
Ascending Primes
13th
7th
ASCII Table
12th
6th
6th
Billiards
2nd
brainfuck
17th
Card Number Validation
17th
8th
Catalan Numbers
7th
23rd
185th
Catalan’s Constant
33rd
Christmas Trees
12th
12th
Collatz
19th37th
7th
23rd
Cubes
327th
Day of Week
21st
18th
Diamonds
43rd
20th
Divisors
34th14th
7th
22nd
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
11th
7th10th7th
26th
Evil Numbers (Long)
6th
1st9th1st
25th
Factorial Factorisation
12th
9th
15th
Farey Sequence
28th
21st
72nd
Fibonacci
52nd6th45th57th28th39th51st12th1st1st18th41st35th49th37th41st46th69th32nd18th1st12th34th127th141st26th113th6th1st
221st182nd21st13th264th20th34th44th42nd
Fizz Buzz
139th
53rd
57th
25th
8th
Foo Fizz Buzz Bar
61st
27th
26th
8th
Fractions
15th
Game of Life
28th
18th
Happy Numbers
18th
9th
Happy Numbers (Long)
14th
ISBN
32nd
Kaprekar Numbers
15th
10th
Kolakoski Constant
9th
7th
Kolakoski Sequence
35th
21st
Leap Years
44th
17th
Leyland Numbers
15th
ln 2
5th
4th
30th
10th
9th
78th
2nd
Look and Say
26th
18th
Lucky Numbers
20th
14th
Mandelbrot
4th
Niven Numbers
23rd
17th
1st
Niven Numbers (Long)
31st
21st
1st
Number Spiral
17th
5th
Odious Numbers
10th
9th10th3rd
21st
Odious Numbers (Long)
6th
9th9th2nd
21st
Ordinal Numbers
16th
Partition Numbers
3rd
Pascal’s Triangle
12th
4th
15th
Pernicious Numbers
54th
35th
26th
Pernicious Numbers (Long)
13th
Prime Numbers
8th
16th
7th
20th
49th
347th
Prime Numbers (Long)
4th
20th
3rd
24th
Quine
136th30th
22nd
30th
1st
10th
70th
9th
Recamán
54th
28th
Reverse Polish Notation
1st
ROT13
26th
15th
Seven Segment
17th
6th
Sierpiński Triangle
31st
17th
Smith Numbers
12th
Star Wars Opening Crawl
141st
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
35th
23rd
γ
21st
6th
λ
13th
4th
19th
41st
π
4th
11th
4th
21st
16th
7th
65th
τ
3rd
10th
4th
20th
10th
5th
51st
φ
10th
9th
35th
10th
171st
3rd
√2
9th
7th
35th
14th
18th
178th
3rd
𝑒
54th13th
9th
34th
15th
11th
112th
4th