12 Days of Christmas
49th
99 Bottles of Beer
20th
Abundant Numbers
5th
Abundant Numbers (Long)
26th
Arabic to Roman
19th
Arithmetic Numbers
2nd
Arrows
12th
Ascending Primes
12th
ASCII Table
22nd
Billiards
10th
brainfuck
16th
Card Number Validation
1st
Catalan Numbers
1st
Christmas Trees
8th
58th
Collatz
94th71st
24th
CSS Colors
12th
Day of Week
1st
DFA Simulator
10th
Diamonds
23rd
Divisors
130th25th
1st
Emirp Numbers
14th
Emirp Numbers (Long)
15th
Emojify
15th
Evil Numbers
1st
Evil Numbers (Long)
1st
Factorial Factorisation
16th
Farey Sequence
24th
Fibonacci
8th1st53rd1st54th1st7th
Fizz Buzz
31st36th
1st
1st
Foo Fizz Buzz Bar
1st
Fractions
1st
Game of Life
14th
Gijswijt’s Sequence
16th
Happy Numbers
1st
Happy Numbers (Long)
15th
Hexdump
29th
Intersection
14th
Inventory Sequence
50th
ISBN
15th
Kaprekar Numbers
2nd
Kolakoski Sequence
17th
Leap Years
6th7th
Levenshtein Distance
1st
Leyland Numbers
6th
ln 2
1st
Look and Say
20th
Lucky Numbers
19th
Lucky Tickets
27th
Medal Tally
23rd
Morse Decoder
6th
Morse Encoder
10th
Niven Numbers
54th25th
1st
Niven Numbers (Long)
15th
Number Spiral
16th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
4th
PalindromemordnilaP
14th
Pangram Grep
18th
Pascal’s Triangle
1st
Pernicious Numbers
1st
Pernicious Numbers (Long)
1st
Prime Numbers
138th48th
1st
9th
Prime Numbers (Long)
1st
Quine
1st
12th
Recamán
20th
Repeating Decimals
1st
Reverse Polish Notation
2nd
Rijndael S-box
16th
Rock-paper-scissors-Spock-lizard
14th
Roman to Arabic
28th
ROT13
1st
Rule 110
7th
Seven Segment
8th
Sierpiński Triangle
24th
Smith Numbers
17th
Star Wars Opening Crawl
13th
Tic-tac-toe
8th
Tongue-twisters
9th
Transpose Sentence
2nd
United States
9th
Vampire Numbers
29th
Van Eck Sequence
41st
Zeckendorf Representation
15th
π
37th
τ
37th
φ
1st
√2
1st
𝑒
1st