12 Days of Christmas
4th
39th
435th
24 Game
2nd
78th
99 Bottles of Beer
82nd
6th
Abundant Numbers
63rd
5th
41st
25th
114th
21st
Abundant Numbers (Long)
65th
7th
29th
39th
94th
21st
Alphabetic Numbers
3rd
2nd
30th
Arabic to Roman
131st
Arithmetic Numbers
5th
134th
24th
Arrows
6th
2nd
Ascending Primes
3rd
160th
ASCII Table
5th
110th
146th
Calendar
💎3rd
99th
Card Number Validation
5th
Catalan Numbers
3rd
17th
17th
168th
Catalan’s Constant
2nd
Christmas Trees
26th
321st
Collatz
7th
224th
Continued Fractions
10th
3rd
76th
19th
CSS Colors
💎
98th
Cubes
129th
3rd
Day of Week
12th
172nd
9th
Diamonds
15th
Divisors
7th
383rd
Emirp Numbers
1st
116th
31st
Emojify
161st
Evil Numbers
1st
1st
Evil Numbers (Long)
22nd
44th
Factorial Factorisation
4th
19th
Farey Sequence
6th
118th
Fibonacci
14th51st49th72nd21st
4th47th68th32nd24th9th56th18th37th1st39th27th20th25th4th
24th1st22nd31st35th154th29th61st7th1st29th28th37th43rd56th56th37th204th31st62nd66th29th1st66th3rd1st46th31st
Fizz Buzz
7th
224th
Foo Fizz Buzz Bar
63rd
Forsyth–Edwards Notation
119th
Fractions
104th
1st
Game of Life
124th
Gijswijt’s Sequence
113th
Gray Code Decoder
10th
47th
26th
6th
Gray Code Encoder
2nd
11th
1st
1st
25th
1st
Happy Numbers
1st
Happy Numbers (Long)
5th
Hexdump
88th
Hilbert Curve
2nd
Intersection
70th
Inventory Sequence
95th
ISBN
8th
174th
Jacobi Symbol
8th
89th
Kaprekar Numbers
3rd
57th
Kolakoski Constant
2nd
Kolakoski Sequence
12th
149th
Leap Years
90th
4th
22nd
52nd
337th
84th
Levenshtein Distance
17th
181st
Leyland Numbers
3rd
127th
ln 2
5th
3rd
156th
Look and Say
164th
Lucky Numbers
108th
Lucky Tickets
152nd
Mahjong
62nd5th
Medal Tally
22nd
N Queens
2nd
Nim
2nd
3rd
5th
54th
13th
2nd
Niven Numbers
1st
161st
32nd
Niven Numbers (Long)
46th
7th
130th
1st
Number Spiral
2nd
16th
123rd
Odious Numbers
1st
Odious Numbers (Long)
240th
PalindromemordnilaP
4th
91st
Pangram Grep
66th
Partition Numbers
5th
Pascal’s Triangle
11th
Pernicious Numbers
1st
30th
212th
Poker
5th
102nd
Polyominoes
2nd
79th
11th
Prime Numbers
1st
100th
26th
Prime Numbers (Long)
6th
15th
214th
1st
Quine
85th
101st
Recamán
166th
Repeating Decimals
6th
86th
Reverse Polish Notation
169th
Rijndael S-box
3rd
67th
20th
Roman to Arabic
13th
259th
ROT13
5th
184th
Rule 110
11th
Scrambled Sort
4th
5th
14th
15th
Set
💎
45th
Seven Segment
15th
Sierpiński Triangle
5th
97th
Smith Numbers
3rd
147th
Star Wars GPT
4th
15th
95th
Star Wars Opening Crawl
47th
Sudoku (Fill-in)
26th
Taxicab Numbers
2nd14th
6th3rd
4th
33rd
3rd
5th
Ten-pin Bowling
6th86th
Tic-tac-toe
31st
Tongue-twisters
3rd
392nd
Topological Sort
81st
Tower of Hanoi
37th
Transpose Sentence
16th
116th
Trinomial Triangle
5th
27th
Ulam Sequence
5th
34th
United States
15th
Vampire Numbers
2nd
Van Eck Sequence
2nd
84th
Zeckendorf Representation
59th
4th
γ
5th
55th
λ
4th30th
73rd
π
6th
40th
4th
110th
6th
τ
5th
4th
99th
φ
4th
3rd
12th
137th
41st
√2
4th
2nd
200th
𝑒
4th
5th
168th