12 Days of Christmas
4th
3rd
99 Bottles of Beer
3rd
Abundant Numbers
12th
Abundant Numbers (Long)
11th
Arabic to Roman
1st
Arithmetic Numbers
1st
Arrows
31st
ASCII Table
33rd
brainfuck
8th
3rd
Card Number Validation
26th
Catalan Numbers
1st
Catalan’s Constant
18th
Christmas Trees
1st
Collatz
35th
CSS Colors
10th
Cubes
9th
Day of Week
1st
Diamonds
1st
Divisors
1st
Emirp Numbers
5th
Emirp Numbers (Long)
26th
Emojify
14th
Evil Numbers
9th
8th
1st
Evil Numbers (Long)
25th1st
Fibonacci
13th
1st
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
62nd
Forsyth–Edwards Notation
22nd
Fractions
20th
Happy Numbers
18th
Happy Numbers (Long)
12th
Hexdump
51st
Intersection
7th
Inventory Sequence
47th
ISBN
7th
Kolakoski Constant
23rd
Kolakoski Sequence
13th
Leap Years
13th10th
Levenshtein Distance
9th
Leyland Numbers
8th
ln 2
15th
Look and Say
16th
Lucky Tickets
49th
Morse Decoder
14th
Morse Encoder
11th
Musical Chords
23rd
Niven Numbers
1st
Niven Numbers (Long)
22nd
Number Spiral
8th
Odious Numbers
5th
Odious Numbers (Long)
1st
Ordinal Numbers
1st
Pangram Grep
16th
Pascal’s Triangle
8th
Pernicious Numbers
1st
Pernicious Numbers (Long)
25th
Poker
44th
Prime Numbers
1st
1st10th
Prime Numbers (Long)
1st
Proximity Grid
Quine
1st
Repeating Decimals
24th
Reverse Polish Notation
21st
Rijndael S-box
20th
Rock-paper-scissors-Spock-lizard
61st
Roman to Arabic
19th
Rule 110
18th
Scrambled Sort
6th
Seven Segment
55th
Sierpiński Triangle
29th
Smith Numbers
12th
Spelling Numbers
8th
Sudoku
16th
Sudoku (Fill-in)
17th
Ten-pin Bowling
36th
Time Distance
29th
Tongue-twisters
13th
Transpose Sentence
20th
Trinomial Triangle
13th
United States
6th
Vampire Numbers
Van Eck Sequence
6th
1st
Zodiac Signs
16th
λ
71st
π
23rd
τ
18th
φ
1st
√2
1st
𝑒
1st