12 Days of Christmas
61st
99 Bottles of Beer
22nd
Abundant Numbers
12th
Abundant Numbers (Long)
20th
Arabic to Roman
81st
Arithmetic Numbers
70th
Arrows
23rd
Ascending Primes
31st
ASCII Table
21st
brainfuck
21st
Catalan Numbers
110th
Catalan’s Constant
30th
Christmas Trees
13th
29th
Collatz
36th
CSS Colors
24th
Cubes
24th
Day of Week
41st
Diamonds
9th
43rd
Divisors
40th38th280th76th29th38th50th91st168th47th34th17th41st66th45th1st18th41st
Emirp Numbers
14th
25th
Emirp Numbers (Long)
30th
Emojify
46th
Evil Numbers
1st
114th
Evil Numbers (Long)
37th
Factorial Factorisation
16th
Farey Sequence
19th
Fibonacci
1st
90th
Fizz Buzz
21st
3rd
Foo Fizz Buzz Bar
18th
Forsyth–Edwards Notation
22nd
Fractions
30th
Gijswijt’s Sequence
14th
Happy Numbers
48th
Happy Numbers (Long)
44th
Hexdump
22nd
Intersection
24th
Inventory Sequence
25th
ISBN
31st
Jacobi Symbol
16th
Kolakoski Constant
14th
Kolakoski Sequence
13th
Leap Years
89th
39th
Levenshtein Distance
51st
Leyland Numbers
1st
Look and Say
11th
Lucky Numbers
37th
Lucky Tickets
41st
Maze
53rd
Medal Tally
18th
Morse Decoder
22nd
Morse Encoder
21st
Musical Chords
59th
Niven Numbers
39th
81st
Niven Numbers (Long)
59th
Number Spiral
10th
Odious Numbers
1st
92nd
Odious Numbers (Long)
80th
Ordinal Numbers
3rd
PalindromemordnilaP
19th
Pangram Grep
16th
53rd
Pascal’s Triangle
20th
Pernicious Numbers
75th
Poker
20th
Prime Numbers
80th
27th
Prime Numbers (Long)
186th
1st
Proximity Grid
17th
QR Decoder
23rd
Quine
1st1st2nd67th
1st27th
30th1st1st
1st5th43rd72nd14th30th
Recamán
35th
Reverse Polish Notation
32nd
Rock-paper-scissors-Spock-lizard
39th
Roman to Arabic
20th
Rule 110
24th
Seven Segment
13th
Sierpiński Triangle
22nd
Smith Numbers
100th
Spelling Numbers
50th
Star Wars Opening Crawl
17th
Sudoku
12th
Sudoku (Fill-in)
12th
Ten-pin Bowling
29th
Time Distance
31st
Tongue-twisters
45th
Transpose Sentence
22nd
United States
10th
Vampire Numbers
14th
Van Eck Sequence
45th
Zodiac Signs
47th
λ
50th
π
11th
τ
27th
φ
33rd
√2
109th
𝑒
99th