Odd numbers that are not safe primes such that p-1 | k-1 or k-1 | p-1 for every prime p | 2^(k-1)-1
trizen6204d7b3f2new file: oeis-research/Fernando Solanet Mayou/a(n) is the smallest number that is (zeroless) pandigital in all bases 2 <= k <= n/prog.pl