12 Days of Christmas
271st
99 Bottles of Beer
449th
Abundant Numbers
25th35th
Abundant Numbers (Long)
26th
Arithmetic Numbers
21st
Arrows
34th
Ascending Primes
52nd
ASCII Table
48th
brainfuck
35th
Card Number Validation
23rd
Catalan Numbers
92nd
Catalan’s Constant
65th
Christmas Trees
20th161st
Collatz
113th
CSS Colors
15th
Cubes
41st
Day of Week
1st
Diamonds
9th54th
Divisors
1st
Emirp Numbers
22nd213th
Emirp Numbers (Long)
77th
Emojify
23rd
Evil Numbers
241st
Evil Numbers (Long)
138th
Factorial Factorisation
39th
Farey Sequence
24th
Fibonacci
38th1st
Fizz Buzz
52nd
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
10th
Fractions
1st
Happy Numbers
46th
Happy Numbers (Long)
15th
Hexdump
34th
Intersection
49th
Inventory Sequence
37th
ISBN
59th
Leap Years
44th
Levenshtein Distance
1st
Leyland Numbers
6th
ln 2
1st
Look and Say
20th
Lucky Numbers
42nd
Mahjong
32nd
Medal Tally
13th
Morse Decoder
21st
N Queens
39th
Niven Numbers
31st
Niven Numbers (Long)
15th
Odious Numbers
134th
Odious Numbers (Long)
89th
Ordinal Numbers
78th
PalindromemordnilaP
81st
Pangram Grep
18th
Pascal’s Triangle
67th
Pernicious Numbers
77th
Pernicious Numbers (Long)
44th
Prime Numbers
114th
Prime Numbers (Long)
41st
Quine
56th
Recamán
173rd
Repeating Decimals
74th
Reverse Polish Notation
86th
Reversi
43rd
Rock-paper-scissors-Spock-lizard
260th
Roman to Arabic
108th
ROT13
1st
Seven Segment
76th
Sierpiński Triangle
77th
Smith Numbers
148th
Spelling Numbers
19th
Tic-tac-toe
28th
Time Distance
16th
Tongue-twisters
331st
Transpose Sentence
16th
United States
52nd
Van Eck Sequence
82nd
Zeckendorf Representation
39th
Zodiac Signs
34th
π
33rd83rd
φ
119th
√2
1st
𝑒
1st