(combinations ns)
(conjecture? n)
(conseq-primes below)
(distances ns)
(distinct-factors n)
(has-primes? x ns)
(hexagonal n)
(map-increase sequence)
(nth-pentagonal n)
(p041)
What is the largest n-digit pandigital prime that exists?
(p042)
How many are triangle words?
(p043)
(p044)
(p045)
(p046)
(p047)
(p048)
(p049)
(p050)
(pentagonal? n)
(prime-divisible? xs)
(substrings ds)
(triangle? n)
(word-value s)