12 Days of Christmas
296305268
99 Bottles of Beer
277185
Abundant Numbers
412
321
Abundant Numbers (Long)
321516
Arithmetic Numbers
358
256415
Christmas Trees
120
Collatz
495402
Divisors
510
486283
Emirp Numbers
147
243230
Emirp Numbers (Long)
374260
Evil Numbers
343
Evil Numbers (Long)
433
284
Factorial Factorisation
328
Fibonacci
312234
Fizz Buzz
274323
Foo Fizz Buzz Bar
276243
Happy Numbers
124
Happy Numbers (Long)
169
Leap Years
454
Niven Numbers
250
Odious Numbers
208
Pernicious Numbers
146162
Pernicious Numbers (Long)
170
Prime Numbers
255370
Prime Numbers (Long)
236
Recamán
167
Seven Segment
56
Smith Numbers
137
Vampire Numbers
107