#!/usr/bin/ruby # https://oeis.org/draft/A231735 # a(37) >= 5340 func a(n, from = 5340) { for k in (from .. 1e6) { say "Testing: #{k}" if (n * k**k - 1 -> is_prob_prime) { die "Found: #{k}" #return k } } } say a(37, 5340) # from 5340 __END__ for n in (38..50) { say [n, a(n)] } __END__ [38, 1] [39, 6] [40, 6] [41, 2] [42, 1]
