trizen 6204d7b3f2 new file: oeis-research/Fernando Solanet Mayou/a(n) is the smallest number that is (zeroless) pandigital in all bases 2 <= k <= n/prog.pl 2 years ago
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Numbers m such that both numbers 2^m +- 1 have at most 2 distinct prime factors 6204d7b3f2 new file: oeis-research/Fernando Solanet Mayou/a(n) is the smallest number that is (zeroless) pandigital in all bases 2 <= k <= n/prog.pl 2 years ago