12 Days of Christmas
269th
99 Bottles of Beer
445th
Abundant Numbers
25th35th
Abundant Numbers (Long)
26th
Arithmetic Numbers
21st
Arrows
32nd
Ascending Primes
51st
ASCII Table
45th
brainfuck
34th
Card Number Validation
21st
Catalan Numbers
90th
Catalan’s Constant
63rd
Christmas Trees
20th159th
Collatz
253rd
CSS Colors
15th
Cubes
40th
Day of Week
1st
Diamonds
9th53rd
Divisors
1st
Emirp Numbers
23rd211th
Emirp Numbers (Long)
77th
Emojify
23rd
Evil Numbers
240th
Evil Numbers (Long)
137th
Factorial Factorisation
37th
Farey Sequence
24th
Fibonacci
38th1st
Fizz Buzz
51st
Foo Fizz Buzz Bar
1st
Forsyth–Edwards Notation
10th
Fractions
1st
Happy Numbers
46th
Happy Numbers (Long)
15th
Hexdump
34th
Intersection
49th
Inventory Sequence
35th
ISBN
59th
Leap Years
44th
Levenshtein Distance
1st
Leyland Numbers
6th
ln 2
1st
Look and Say
20th
Lucky Numbers
42nd
Mahjong
31st
Medal Tally
13th
Morse Decoder
21st
N Queens
39th
Niven Numbers
31st
Niven Numbers (Long)
15th
Odious Numbers
132nd
Odious Numbers (Long)
88th
Ordinal Numbers
77th
PalindromemordnilaP
76th
Pangram Grep
18th
Pascal’s Triangle
66th
Pernicious Numbers
75th
Pernicious Numbers (Long)
42nd
Prime Numbers
113th
Prime Numbers (Long)
41st
Quine
56th
Recamán
170th
Repeating Decimals
73rd
Reverse Polish Notation
85th
Reversi
43rd
Rock-paper-scissors-Spock-lizard
258th
Roman to Arabic
106th
ROT13
1st
Seven Segment
91st
Sierpiński Triangle
77th
Smith Numbers
145th
Spelling Numbers
18th
Tic-tac-toe
26th
Time Distance
16th
Tongue-twisters
328th
Transpose Sentence
16th
United States
51st
Van Eck Sequence
80th
Zeckendorf Representation
37th
Zodiac Signs
34th
π
32nd91st
φ
116th
√2
1st
𝑒
1st