A253054 If, for some m, A098550(m-2) is a prime p and A098550(m) = 7p, add 7p to the sequence.

329, 427, 581, 679, 973, 1043, 1141, 1267, 1337, 1673, 1897, 1981, 2653, 2723, 2863, 3199, 3227, 3493, 3563, 3787, 3983, 4207, 4319, 4529, 4571, 4711, 4837, 4963, 5299, 5747, 5971, 6209, 6559, 6769, 7133, 7343, 7763, 8197, 8309, 8561, 8603, 8981, 9037, 9107

Offset

1,1

Comments

A subsequence of A251544 (and of course of A098550).

Links

Table of n, a(n) for n=1..44.

Crossrefs

Cf. A098550, A251544, A253052, A253053.

Sequence in context: A252004 A278352 A246858 * A273615 A231362 A202010

Adjacent sequences: A253051 A253052 A253053 * A253055 A253056 A253057

Keyword

nonn

Author

N. J. A. Sloane, Jan 01 2015

Status

approved