12 Days of Christmas
5th
1st
99 Bottles of Beer
3rd
Abundant Numbers
12th
Abundant Numbers (Long)
11th
Arabic to Roman
1st
Arithmetic Numbers
1st
Arrows
27th
ASCII Table
29th
brainfuck
8th
3rd
Card Number Validation
24th
Catalan Numbers
1st
Catalan’s Constant
17th
Christmas Trees
1st
Collatz
34th
CSS Colors
10th
Cubes
7th
Day of Week
1st
Diamonds
1st
Divisors
1st
Emirp Numbers
6th
Emirp Numbers (Long)
24th
Emojify
12th
Evil Numbers
9th
8th
1st
Evil Numbers (Long)
25th1st
Fibonacci
12th
1st
Fizz Buzz
1st1st
Foo Fizz Buzz Bar
55th
Forsyth–Edwards Notation
20th
Fractions
18th
Happy Numbers
17th
Happy Numbers (Long)
12th
Hexdump
45th
Intersection
6th
Inventory Sequence
42nd
ISBN
7th
Kolakoski Constant
20th
Kolakoski Sequence
14th
Leap Years
6th8th
Levenshtein Distance
9th
Leyland Numbers
6th
ln 2
15th
Look and Say
15th
Lucky Tickets
40th
Morse Decoder
13th
Morse Encoder
8th
Musical Chords
19th
Niven Numbers
1st
Niven Numbers (Long)
21st
Number Spiral
8th
Odious Numbers
5th
Odious Numbers (Long)
1st
Ordinal Numbers
1st
Pangram Grep
14th
Pascal’s Triangle
9th
Pernicious Numbers
1st
Pernicious Numbers (Long)
18th
Poker
42nd
Prime Numbers
1st
1st10th
Prime Numbers (Long)
1st
Proximity Grid
Quine
1st
Repeating Decimals
23rd
Reverse Polish Notation
19th
Rijndael S-box
18th
Rock-paper-scissors-Spock-lizard
59th
Roman to Arabic
18th
Rule 110
15th
Scrambled Sort
4th
Seven Segment
51st
Sierpiński Triangle
25th
Smith Numbers
11th
Spelling Numbers
7th
Sudoku
13th
Sudoku (Fill-in)
14th
Ten-pin Bowling
34th
Time Distance
28th
Tongue-twisters
13th
Transpose Sentence
18th
Trinomial Triangle
11th
United States
5th
Vampire Numbers
Van Eck Sequence
6th
1st
Zodiac Signs
15th
λ
69th
π
19th
τ
17th
φ
1st
√2
1st
𝑒
1st