A259014 Numbers n congruent to 5 mod 6 such that every number of the form (n*4^k + 1)/3 with k >= 1 is divisible by at least one of the primes greater than 3 of any covering set.

845729, 952649, 1272101, 1313231, 1418681, 2407289, 2948651, 3071561, 3401009, 3672101, 3795011, 4036751, 4041389, 4164299, 5112329, 5514701, 5725859, 6126221, 6202199, 6436379, 6693839, 7433891, 7624769, 7727669, 7767269, 7939259, 8031581, 8421971

Offset

1,1

Comments

The definition implies that every number of the form a(n)*4^k + 1 with k >= 1 has at least three distinct prime factors.

Links

Table of n, a(n) for n=1..28.

Crossrefs

Subsequence of A233551.

Sequence in context: A185520 A157078 A160548 * A251017 A216001 A141296

Adjacent sequences: A259011 A259012 A259013 * A259015 A259016 A259017

Keyword

nonn

Author

Arkadiusz Wesolowski, Jun 16 2015

Status

approved