12 Days of Christmas
40th
24 Game
11th
99 Bottles of Beer
28th
Abundant Numbers
29th
Abundant Numbers (Long)
1st
Alphabetic Numbers
5th
Arabic to Roman
11th
Arithmetic Numbers
40th
Arrows
35th
Ascending Primes
26th
ASCII Table
57th
brainfuck
42nd
Calendar
9th
Card Number Validation
23rd
Catalan Numbers
11th
Catalan’s Constant
10th
Christmas Trees
61st
Collatz
6th
Connect Four
7th
Continued Fractions
7th
Cubes
26th
Day of Week
18th
Diamonds
21st
Divisors
1st
Emirp Numbers
28th
Emirp Numbers (Long)
17th
Emojify
30th
Evil Numbers
32nd
Evil Numbers (Long)
36th
Factorial Factorisation
10th
Farey Sequence
16th
Fibonacci
51st
Fizz Buzz
249th
Foo Fizz Buzz Bar
17th
Fractions
22nd
Gijswijt’s Sequence
10th
Gray Code Decoder
9th
Gray Code Encoder
9th
Happy Numbers
64th
Happy Numbers (Long)
34th
Hexdump
20th
Hilbert Curve
9th
Intersection
22nd
Inventory Sequence
24th
ISBN
19th
Jacobi Symbol
12th
Kaprekar Numbers
13th
Kolakoski Constant
13th14th
Leap Years
47th
Levenshtein Distance
13th
Leyland Numbers
37th
ln 2
10th27th
Look and Say
22nd
Lucky Numbers
19th
Lucky Tickets
13th
Mahjong
7th
Mandelbrot
18th
Rijndael S-box
10th
ROT13
9th
γ
8th
λ
17th
π
21st11th
τ
14th
φ
17th
√2
15th
𝑒
18th