12 Days of Christmas
31st236th
99 Bottles of Beer
206th25th15th221st
Abundant Numbers
234th
Abundant Numbers (Long)
181st
Arabic to Roman
14th15th
23rd107th
Arithmetic Numbers
202nd
Ascending Primes
135th
ASCII Table
18th10th
21st140th
Card Number Validation
155th
Catalan Numbers
256th
Christmas Trees
148th
Collatz
201st
Day of Week
52nd1st
71st
Diamonds
432nd
Divisors
420th
Emirp Numbers
290th
Emirp Numbers (Long)
143rd
Evil Numbers
161st
Evil Numbers (Long)
49th
Factorial Factorisation
14th17th
25th
Farey Sequence
216th
Fibonacci
302nd
59th214th
Fizz Buzz
68th33rd431st
1st240th
Foo Fizz Buzz Bar
54th20th131st
24th150th
Fractions
21st25th
47th
Game of Life
18th18th
27th
Happy Numbers
464th
Happy Numbers (Long)
282nd
Hexdump
15th9th
45th
ISBN
144th
Leap Years
77th
44th106th
ln 2
187th
Look and Say
183rd
Lucky Numbers
186th
Mahjong
54th6th
Niven Numbers
342nd
Niven Numbers (Long)
175th
Number Spiral
188th
Odious Numbers
121st
Odious Numbers (Long)
102nd
Ordinal Numbers
19th15th167th
6th
Pascal’s Triangle
294th
Pernicious Numbers
126th
Pernicious Numbers (Long)
88th
Prime Numbers
40th27th233rd50th53rd74th
Prime Numbers (Long)
32nd25th129th33rd17th231st
Roman to Arabic
23rd23rd
26th49th
ROT13
17th22nd
122nd
Seven Segment
149th
Spelling Numbers
9th14th
86th
Tongue-twisters
195th
Zodiac Signs
7th8th
12th
π
272nd
τ
204th
φ
217th
√2
285th
𝑒
303rd