12 Days of Christmas
288298260
99 Bottles of Beer
277185
Abundant Numbers
409
320
Abundant Numbers (Long)
318513
Arithmetic Numbers
353
253412
Christmas Trees
120
Collatz
492401
Divisors
504
481276
Emirp Numbers
145
241229
Emirp Numbers (Long)
370258
Evil Numbers
342
Evil Numbers (Long)
431
283
Factorial Factorisation
326
Fibonacci
311233
Fizz Buzz
273322
Foo Fizz Buzz Bar
275242
Happy Numbers
122
Happy Numbers (Long)
167
Leap Years
438
Niven Numbers
248
Odious Numbers
207
Pernicious Numbers
145161
Pernicious Numbers (Long)
167
Prime Numbers
254370
Prime Numbers (Long)
236
Recamán
165
Seven Segment
55
Smith Numbers
135
Vampire Numbers
106