12 Days of Christmas
444429560
99 Bottles of Beer
281323
Abundant Numbers
454
333
Abundant Numbers (Long)
322578
Arithmetic Numbers
353
253477
Christmas Trees
120
Collatz
492443
Divisors
504
481297
Emirp Numbers
214
333278
Emirp Numbers (Long)
373306
Evil Numbers
347
Evil Numbers (Long)
431
283
Factorial Factorisation
326
Fibonacci
311233
Fizz Buzz
273352
Foo Fizz Buzz Bar
275304
Happy Numbers
153
Happy Numbers (Long)
167
Leap Years
445
Niven Numbers
248
Odious Numbers
207
Pernicious Numbers
145161
Pernicious Numbers (Long)
167
Prime Numbers
270370
Prime Numbers (Long)
236
Recamán
165
Seven Segment
56
Smith Numbers
135
Vampire Numbers
106