12 Days of Christmas
83rd
13th
99 Bottles of Beer
124th
10th
Abundant Numbers
258th
Abundant Numbers (Long)
190th
Arabic to Roman
210th
Arithmetic Numbers
158th
Arrows
235th
Ascending Primes
7th
ASCII Table
260th
Billiards
4th
brainfuck
191st
Card Number Validation
4th
Catalan Numbers
371st
Catalan’s Constant
21st
142nd
16th
Christmas Trees
120th
18th
177th
9th
Collatz
71st
198th
9th
Cubes
16th
356th
3rd
Day of Week
176th
Diamonds
330th
Divisors
427th
Emirp Numbers
280th
Emirp Numbers (Long)
117th
Emojify
313th
Evil Numbers
585th
Evil Numbers (Long)
364th
Farey Sequence
10th
Fibonacci
52nd92nd
67th119th1st
1st
1st
Fizz Buzz
109th393rd
215th
10th
Foo Fizz Buzz Bar
497th
8th
Forsyth–Edwards Notation
121st
Fractions
432nd
Gijswijt’s Sequence
8th
Happy Numbers
195th
12th
Happy Numbers (Long)
44th
Hilbert Curve
5th
Intersection
309th
Inventory Sequence
18th
241st
7th
ISBN
191st
Kaprekar Numbers
6th
Kolakoski Constant
21st
184th
Kolakoski Sequence
174th
Leap Years
148th
Leyland Numbers
284th
ln 2
15th
Look and Say
155th
Lucky Numbers
132nd
Mandelbrot
5th
N Queens
6th
Niven Numbers
152nd
Niven Numbers (Long)
161st
Number Spiral
21st
197th
7th
Odious Numbers
496th
Odious Numbers (Long)
253rd
Ordinal Numbers
394th
PalindromemordnilaP
69th
4th
Pangram Grep
478th
Partition Numbers
7th
Pascal’s Triangle
309th
Pernicious Numbers
288th
Pernicious Numbers (Long)
146th
Polyominoes
10th
5th
Prime Numbers
212th
55th136th437th
91st
168th
14th
Prime Numbers (Long)
56th
Quine
400th
662nd
13th
Recamán
308th
Reverse Polish Notation
8th
Rijndael S-box
151st
8th
Roman to Arabic
237th
ROT13
161st
Rule 110
215th
Sierpiński Triangle
269th
Smith Numbers
227th
Tic-tac-toe
6th
Tongue-twisters
370th
United States
207th
Vampire Numbers
131st
Van Eck Sequence
269th
γ
21st
97th
λ
20th12th26th5th
9th50th59th12th29th18th25th
32nd47th121st38th23rd
π
210th
τ
163rd
φ
202nd
√2
258th
𝑒
307th