12 Days of Christmas
13th
245th7th
24 Game
5th
48th4th
99 Bottles of Beer
24th36th
300th9th
Abundant Numbers
14th59th38th
60th426th35th
Abundant Numbers (Long)
8th
27th
46th257th30th
Arabic to Roman
151st9th
Arithmetic Numbers
6th
227th7th
Arrows
10th
Ascending Primes
6th
54th10th
ASCII Table
15th45th
111th7th
Billiards
7th
brainfuck
13th
Card Number Validation
84th11th
Catalan Numbers
6th
164th9th
Catalan’s Constant
7th
149th7th
Christmas Trees
24th
112th13th
Collatz
9th59th
34th15th
CSS Colors
44th4th
Cubes
20th
90th8th
Day of Week
293rd8th
DFA Simulator
63rd7th
Diamonds
18th
12th
Divisors
20th52nd20th22nd75th391st1st
Emirp Numbers
12th
239th20th
Emirp Numbers (Long)
8th
110th10th
Emojify
12th
Evil Numbers
12th49th44th1st38th246th19th
Evil Numbers (Long)
9th60th31st1st
160th4th
Factorial Factorisation
3rd16th6th
13th54th6th
Farey Sequence
3rd28th
84th10th
Fibonacci
18th182nd1st37th170th183rd19th
Fizz Buzz
92nd272nd29th68th381st57th86th
Foo Fizz Buzz Bar
13th
27th
1st12th
Forsyth–Edwards Notation
144th7th
Fractions
180th17th
Game of Life
18th
5th
Gijswijt’s Sequence
7th
43rd11th
Happy Numbers
9th45th
105th16th
Happy Numbers (Long)
8th47th
106th18th
Hexdump
11th
Hilbert Curve
4th
Intersection
220th2nd
Inventory Sequence
6th28th
62nd5th
ISBN
166th11th
Jacobi Symbol
48th7th
Kaprekar Numbers
4th20th13th
17th31st7th
Kolakoski Constant
7th
62nd7th
Kolakoski Sequence
14th
19th17th
Leap Years
17th54th23rd
40th217th32nd
Levenshtein Distance
179th13th
Leyland Numbers
7th
239th5th
ln 2
8th
105th6th
Look and Say
11th
164th10th
Lucky Numbers
4th
99th13th
Lucky Tickets
76th2nd
Mandelbrot
11th
Maze
58th8th
Medal Tally
7th
Morse Decoder
7th
Morse Encoder
8th
Musical Chords
6th
N Queens
4th17th
85th6th
Niven Numbers
21st42nd17th
72nd1st
Niven Numbers (Long)
7th
32nd
304th18th
Number Spiral
9th
108th12th
Odious Numbers
13th48th42nd1st39th142nd19th
Odious Numbers (Long)
7th52nd29th1st
107th10th
Ordinal Numbers
257th11th
PalindromemordnilaP
133rd5th
Pangram Grep
41st
1st
Partition Numbers
20th
80th15th
Pascal’s Triangle
7th74th
349th22nd
Pernicious Numbers
9th58th
43rd
29th
Pernicious Numbers (Long)
7th30th
28th
17th
Poker
7th
Polyominoes
8th
Prime Numbers
12th117th30th37th78th78th17th
Prime Numbers (Long)
9th79th20th
57th233rd1st
Proximity Grid
6th
QR Decoder
6th
Quine
30th
29th
765th15th
Recamán
12th
209th20th
Repeating Decimals
77th4th
Reverse Polish Notation
7th
Reversi
47th4th
Rijndael S-box
5th21st
110th12th
Rock-paper-scissors-Spock-lizard
7th
Roman to Arabic
132nd13th
ROT13
9th
Rule 110
18th
9th
Seven Segment
17th
SI Units
4th
Sierpiński Triangle
9th41st
16th
Smith Numbers
4th
99th15th
Spelling Numbers
12th
Star Wars Opening Crawl
104th5th
Sudoku
6th
Sudoku (Fill-in)
7th
Ten-pin Bowling
59th7th
Time Distance
7th
Tongue-twisters
5th
14th
Transpose Sentence
142nd7th
Trinomial Triangle
5th
United States
9th
Vampire Numbers
4th
6th
Van Eck Sequence
4th
152nd12th
Zeckendorf Representation
78th9th
Zodiac Signs
61st5th
γ
7th
84th5th
λ
13th
140th8th
π
13th52nd20th
26th129th14th
τ
12th
22nd109th9th
φ
13th
19th
132nd10th
√2
13th
25th
126th11th
𝑒
14th46th
144th19th