12 Days of Christmas
84599 Bottles of Beer
844Abundant Numbers
788Abundant Numbers (Long)
870Arithmetic Numbers
830Ascending Primes
130Christmas Trees
701Collatz
944Divisors
1,000Emirp Numbers
450Fibonacci
947Fizz Buzz
983Foo Fizz Buzz Bar
1,000Happy Numbers
674Happy Numbers (Long)
774Kolakoski Sequence
658Leap Years
558Look and Say
565Niven Numbers
677Niven Numbers (Long)
769Number Spiral
256Prime Numbers
635Prime Numbers (Long)
667Quine
969Van Eck Sequence
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