12 Days of Christmas
15th
251st7th
24 Game
5th
52nd6th
99 Bottles of Beer
24th36th
304th9th
Abundant Numbers
14th60th39th
61st431st35th
Abundant Numbers (Long)
8th
28th
47th262nd30th
Arabic to Roman
153rd9th
Arithmetic Numbers
6th
230th7th
Arrows
10th
Ascending Primes
6th
61st10th
ASCII Table
15th45th
112th7th
Billiards
7th
brainfuck
13th
Card Number Validation
88th11th
Catalan Numbers
6th
168th10th
Catalan’s Constant
7th
151st7th
Christmas Trees
24th
113th13th
Collatz
9th61st
36th15th
CSS Colors
44th5th
Cubes
21st
91st8th
Day of Week
294th8th
DFA Simulator
64th7th
Diamonds
19th
12th
Divisors
20th52nd21st22nd77th394th1st
Emirp Numbers
12th
240th20th
Emirp Numbers (Long)
8th
113th11th
Emojify
12th
Evil Numbers
13th49th45th1st41st250th19th
Evil Numbers (Long)
9th61st32nd1st
162nd4th
Factorial Factorisation
3rd16th6th
16th58th6th
Farey Sequence
3rd28th
87th11th
Fibonacci
18th184th1st38th173rd186th20th
Fizz Buzz
92nd274th29th68th387th58th86th
Foo Fizz Buzz Bar
14th
27th
1st12th
Forsyth–Edwards Notation
145th7th
Fractions
181st17th
Game of Life
18th
5th
Gijswijt’s Sequence
7th
45th11th
Happy Numbers
9th45th
107th17th
Happy Numbers (Long)
8th48th
112th19th
Hexdump
11th
Hilbert Curve
4th
Intersection
224th2nd
Inventory Sequence
6th30th
66th5th
ISBN
168th11th
Jacobi Symbol
51st7th
Kaprekar Numbers
4th21st13th
18th32nd7th
Kolakoski Constant
7th
62nd7th
Kolakoski Sequence
14th
19th17th
Leap Years
17th54th24th
43rd221st32nd
Levenshtein Distance
183rd13th
Leyland Numbers
7th
241st5th
ln 2
8th
108th6th
Look and Say
11th
165th10th
Lucky Numbers
4th
101st13th
Lucky Tickets
77th2nd
Mandelbrot
12th
Maze
61st8th
Medal Tally
7th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
4th17th
85th6th
Niven Numbers
21st42nd20th
75th1st
Niven Numbers (Long)
7th
33rd
306th18th
Number Spiral
9th
111th12th
Odious Numbers
13th49th43rd1st41st144th19th
Odious Numbers (Long)
7th54th30th1st
109th10th
Ordinal Numbers
258th11th
PalindromemordnilaP
138th5th
Pangram Grep
41st
1st
Partition Numbers
20th
83rd15th
Pascal’s Triangle
7th74th
355th22nd
Pernicious Numbers
9th58th
47th
29th
Pernicious Numbers (Long)
7th30th
30th
18th
Poker
7th
Polyominoes
9th
Prime Numbers
12th118th30th38th80th82nd17th
Prime Numbers (Long)
9th81st20th
58th235th1st
Proximity Grid
6th
QR Decoder
6th
Quine
23rd
29th
769th16th
Recamán
13th
213th20th
Repeating Decimals
78th4th
Reverse Polish Notation
7th
Reversi
49th4th
Rijndael S-box
5th21st
114th12th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
134th13th
ROT13
10th
Rule 110
18th
9th
Seven Segment
17th
SI Units
4th
Sierpiński Triangle
9th42nd
16th
Smith Numbers
4th
101st15th
Spelling Numbers
12th
Star Wars Opening Crawl
107th5th
Sudoku
6th
Sudoku (Fill-in)
7th
Ten-pin Bowling
60th7th
Time Distance
7th
Tongue-twisters
5th
14th
Transpose Sentence
145th7th
Trinomial Triangle
5th
United States
9th
Vampire Numbers
4th
6th
Van Eck Sequence
4th
154th12th
Zeckendorf Representation
80th10th
Zodiac Signs
61st5th
γ
7th
87th5th
λ
13th
142nd8th
π
13th53rd20th
26th131st14th
τ
12th
22nd111th9th
φ
13th
19th
134th10th
√2
13th
25th
128th11th
𝑒
14th46th
146th19th