12 Days of Christmas
296305264
99 Bottles of Beer
277185
Abundant Numbers
409
320
Abundant Numbers (Long)
317513
Arithmetic Numbers
353
252411
Christmas Trees
119
Collatz
492401
Divisors
504
481276
Emirp Numbers
145
241229
Emirp Numbers (Long)
370258
Evil Numbers
341
Evil Numbers (Long)
431
283
Factorial Factorisation
325
Fibonacci
311233
Fizz Buzz
273322
Foo Fizz Buzz Bar
275243
Happy Numbers
122
Happy Numbers (Long)
167
Leap Years
437
Niven Numbers
248
Odious Numbers
206
Pernicious Numbers
145161
Pernicious Numbers (Long)
167
Prime Numbers
254370
Prime Numbers (Long)
235
Recamán
165
Seven Segment
55
Smith Numbers
136
Vampire Numbers
106