Abundant Numbers
166th
68th
Abundant Numbers (Long)
91st
61st
Arabic to Roman
40th
Arithmetic Numbers
64th
43rd
Billiards
6th
Christmas Trees
28th
Collatz
166th
59th
Cubes
19th
Diamonds
27th
Divisors
230th
77th
Evil Numbers
81st
Evil Numbers (Long)
62nd
Fibonacci
334th93rd125th43rd1,066th
Fizz Buzz
537th
239th
Happy Numbers
37th
Inventory Sequence
32nd
Leap Years
21st200th
57th20th414th
Niven Numbers
129th
61st
Niven Numbers (Long)
66th
52nd
Number Spiral
20th
Odious Numbers
142nd
65th
Odious Numbers (Long)
53rd
Pascal’s Triangle
41st
Pernicious Numbers
58th
Prime Numbers
73rd
Prime Numbers (Long)
71st
Quine
71st
Roman to Arabic
25th
ROT13
23rd
Seven Segment
34th
Sierpiński Triangle
31st
Smith Numbers
32nd
25th
Tongue-twisters
67th
38th
Trinomial Triangle
10th
5th