12 Days of Christmas
83rd
66th
6th
24 Game
11th
99 Bottles of Beer
36th
27th
21st
Abundant Numbers
20th
1,167th
Abundant Numbers (Long)
9th
Arabic to Roman
20th
11th
24th
Arithmetic Numbers
5th
479th
Arrows
44th
Ascending Primes
13th
ASCII Table
37th
30th
10th
brainfuck
21st
376th
Catalan Numbers
1st
Catalan’s Constant
Christmas Trees
18th
14th
8th
Collatz
9th
20th
14th
CSS Colors
3rd
Cubes
Day of Week
19th
15th31st11th
1st
49th93rd
84th
246th
DFA Simulator
7th
Diamonds
43rd
Divisors
147th
4th
Emirp Numbers
91st
37th
13th
Emirp Numbers (Long)
12th
Emojify
14th
Evil Numbers
12th
627th
Evil Numbers (Long)
7th
42nd
Factorial Factorisation
22nd
Farey Sequence
40th
22nd
Fibonacci
50th13th64th3rd58th14th44th1st48th55th72nd36th54th77th42nd1st92nd166th53rd340th131st96th212th76th122nd79th57th56th197th71st143rd276th260th
77th115th36th77th
61st
Fizz Buzz
63rd72nd145th
1st111th19th
1st17th9th
76th
66th
104th
Foo Fizz Buzz Bar
85th
1st
Forsyth–Edwards Notation
14th
Fractions
1st
Game of Life
13th
Gijswijt’s Sequence
15th
Happy Numbers
27th
Happy Numbers (Long)
32nd
Hexdump
11th
Hilbert Curve
15th
Intersection
16th
8th
5th
Inventory Sequence
17th
ISBN
19th
Jacobi Symbol
1st
Kaprekar Numbers
11th
Kolakoski Constant
Kolakoski Sequence
13th
Leap Years
78th112th118th
16th
Levenshtein Distance
24th
Leyland Numbers
10th
ln 2
Look and Say
23rd
Lucky Numbers
26th
Lucky Tickets
18th
Morse Decoder
18th
Morse Encoder
18th
Niven Numbers
124th
1st
789th
Niven Numbers (Long)
1st
407th
Number Spiral
26th
Odious Numbers
8th
272nd
Odious Numbers (Long)
8th
Ordinal Numbers
21st
Pangram Grep
58th61st26th
18th
Partition Numbers
18th
Pascal’s Triangle
33rd
11th
390th
Pernicious Numbers
46th
1st
668th
Pernicious Numbers (Long)
18th
Prime Numbers
32nd
44th66th
15th22nd
254th
42nd
174th
Prime Numbers (Long)
1st
Quine
58th210th
67th65th59th
4th
1st
356th
1st
82nd
100th
Recamán
12th
Reverse Polish Notation
3rd
Rijndael S-box
17th
Roman to Arabic
14th
ROT13
8th
Rule 110
6th
Scrambled Sort
13th
Seven Segment
4th
Sierpiński Triangle
32nd
Smith Numbers
17th
Spelling Numbers
💎
Tic-tac-toe
7th
Tongue-twisters
9th
United States
14th
35th
394th
Vampire Numbers
17th
Van Eck Sequence
17th
γ
λ
π
15th18th
45th
94th
27th
37th
41st
43rd55th
τ
36th
φ
1st
√2
64th
1st
𝑒
6th
401st