Abundant Numbers
474th39th
Abundant Numbers (Long)
221st34th
Arithmetic Numbers
32nd
Catalan Numbers
238th
Collatz
95th
534th
Cubes
41st
Diamonds
23rd
Divisors
437th46th
Emirp Numbers
76th
Emirp Numbers (Long)
38th
Evil Numbers
1,066th
Evil Numbers (Long)
170th25th
Fibonacci
415th
197th94th
Fizz Buzz
140th52nd69th417th275th45th157th
Foo Fizz Buzz Bar
20th
Fractions
94th
Happy Numbers
188th
Happy Numbers (Long)
50th26th
69th
Intersection
16th
Leap Years
62nd
231st31st
Lucky Numbers
107th
Niven Numbers
46th
Niven Numbers (Long)
1st
Odious Numbers
806th
Odious Numbers (Long)
435th37th
Ordinal Numbers
35th
Pascal’s Triangle
223rd61st
Pernicious Numbers
74th
Pernicious Numbers (Long)
34th
Prime Numbers
27th
Prime Numbers (Long)
254th1st
Quine
82nd
Recamán
324th44th
Tongue-twisters
56th
Tower of Hanoi
94th
√2
21st