12 Days of Christmas
87th
42nd
24 Game
7th
99 Bottles of Beer
50th
14th
Abundant Numbers
35th
11th
24th
Abundant Numbers (Long)
18th
7th
21st
Arabic to Roman
41st
Arithmetic Numbers
10th
Arrows
18th
Ascending Primes
13th
7th
ASCII Table
12th
6th
6th
Billiards
2nd
brainfuck
17th
Card Number Validation
18th
9th
Catalan Numbers
7th
23rd
188th
Catalan’s Constant
35th
Christmas Trees
12th
13th
Collatz
20th38th
7th
23rd
Cubes
328th
Day of Week
21st
18th
Diamonds
43rd
21st
Divisors
34th14th
5th
22nd
Emirp Numbers
13th
Emirp Numbers (Long)
11th
Evil Numbers
11th
7th10th7th
28th
Evil Numbers (Long)
6th
2nd9th1st
26th
Factorial Factorisation
12th
9th
15th
Farey Sequence
28th
21st
75th
Fibonacci
52nd6th45th58th30th42nd53rd12th1st1st18th42nd36th51st38th42nd47th70th33rd19th1st12th34th129th143rd26th114th6th1st
225th185th21st14th265th20th34th46th43rd
Fizz Buzz
139th
53rd
58th
26th
8th
Foo Fizz Buzz Bar
62nd
27th
26th
8th
Fractions
15th
Game of Life
27th
18th
Happy Numbers
18th
9th
Happy Numbers (Long)
14th
ISBN
32nd
Kaprekar Numbers
15th
10th
Kolakoski Constant
9th
6th
Kolakoski Sequence
35th
21st
Leap Years
46th
17th
Leyland Numbers
15th
ln 2
5th
30th
10th
9th
81st
2nd
Look and Say
27th
18th
Lucky Numbers
21st
15th
Mandelbrot
5th
Niven Numbers
23rd
17th
1st
Niven Numbers (Long)
31st
21st
1st
Number Spiral
17th
5th
Odious Numbers
10th
9th10th3rd
22nd
Odious Numbers (Long)
6th
9th9th2nd
22nd
Ordinal Numbers
16th
Partition Numbers
3rd
Pascal’s Triangle
12th
4th
15th
Pernicious Numbers
54th
35th
27th
Pernicious Numbers (Long)
13th
Prime Numbers
8th
16th
7th
20th
49th
350th
Prime Numbers (Long)
4th
20th
3rd
24th
Quine
136th21st
22nd
30th
1st
10th
72nd
9th
Recamán
54th
28th
Reverse Polish Notation
1st
ROT13
29th
15th
Seven Segment
18th
6th
Sierpiński Triangle
31st
16th
Smith Numbers
12th
Star Wars Opening Crawl
144th
Transpose Sentence
1st
Vampire Numbers
5th
Van Eck Sequence
35th
24th
γ
21st
7th
λ
13th
4th
20th
45th
π
4th
11th
3rd
21st
16th
7th
66th
τ
3rd
11th
3rd
20th
11th
5th
51st
φ
10th
7th
36th
10th
174th
3rd
√2
9th
5th
36th
14th
18th
180th
3rd
𝑒
55th13th
9th
35th
15th
11th
116th
4th