12 Days of Christmas
24th
99 Bottles of Beer
11th
Abundant Numbers
8th
Abundant Numbers (Long)
7th
Arabic to Roman
1st
Arithmetic Numbers
9th
Arrows
9th
Ascending Primes
7th
ASCII Table
13th
Card Number Validation
8th
Catalan Numbers
1st
Catalan’s Constant
10th
Christmas Trees
9th
Collatz
11th
Cubes
7th
Day of Week
6th
Diamonds
9th
Divisors
12th
Emirp Numbers
22nd
Emirp Numbers (Long)
7th
90th
Evil Numbers
1st
Evil Numbers (Long)
1st
Farey Sequence
13th
Fibonacci
33rd
Fizz Buzz
51st
1st
587th
Foo Fizz Buzz Bar
9th
108th
Fractions
11th
Gijswijt’s Sequence
145th
Happy Numbers
27th
Happy Numbers (Long)
14th
Intersection
8th
Inventory Sequence
8th
ISBN
10th
Jacobi Symbol
8th
Kolakoski Constant
11th
Kolakoski Sequence
10th
Leap Years
13th
Levenshtein Distance
7th
Leyland Numbers
10th
Look and Say
9th
Lucky Numbers
12th
Morse Decoder
7th
Morse Encoder
5th
N Queens
5th
Niven Numbers
29th
Niven Numbers (Long)
10th
Number Spiral
9th
Odious Numbers
1st
Odious Numbers (Long)
1st
Ordinal Numbers
12th
PalindromemordnilaP
6th
Pangram Grep
4th
Pascal’s Triangle
19th
Pernicious Numbers
25th
Pernicious Numbers (Long)
15th
Prime Numbers
26th
Prime Numbers (Long)
9th
Quine
1st213th25th201st151st61st84th22nd25th1st78th62nd84th313th1st143rd22nd26th1st72nd43rd83rd16th47th
Recamán
10th
Reverse Polish Notation
7th
Roman to Arabic
7th
Seven Segment
9th
Sierpiński Triangle
9th
Smith Numbers
5th
Spelling Numbers
1st
Star Wars Opening Crawl
5th
Time Distance
6th
Tongue-twisters
10th
Transpose Sentence
7th
United States
7th
Van Eck Sequence
8th
λ
13th
π
20th
τ
19th
φ
28th
√2
11th
𝑒
18th