A257124 Initial members of prime septuplets.

11, 5639, 88799, 165701, 284729, 626609, 855719, 1068701, 1146779, 6560999, 7540439, 8573429, 11900501, 15760091, 17843459, 18504371, 19089599, 21036131, 24001709, 25658441, 39431921, 42981929, 43534019, 45002591, 67816361, 69156539, 74266259, 79208399, 80427029, 84104549, 86818211, 87988709, 93625991, 124066079

Offset

1,1

Links

Tim Johannes Ohrtmann, Table of n, a(n) for n = 1..1990

Tony Forbes, k-tuplets

Formula

Disjoint union of A022009 and A022010. - M. F. Hasler, Aug 04 2021

Crossrefs

Initial members of all of the first prime k-tuplets:

twin primes: A001359.

prime triples: A007529 out of A022004, A022005.

prime quadruplets: A007530.

prime 5-tuples: A086140 out of A022007, A022006.

prime sextuplets: A022008.

prime septuplets: this sequence out of A022009, A022010.

prime octuplets: A065706 out of A022011, A022012, A022013.

prime nonuplets: A257125 out of A022547, A022548, A022545, A022546.

prime decaplets: A257127 out of A027569, A027570.

prime 11-tuplets: A257129 out of A213646, A213647.

prime 12-tuplets: A257131 out of A213601, A213645.

prime 13-tuplets: A257135 out of A214947, A257137, A257138, A257139, A257140, A257141.

prime 14-tuplets: A257166 out of A257167, A257168.

prime 15-tuplets: A257169 out of A257304, A257305, A257306, A257307.

prime 16-tuplets: A257308 out of A257369, A257370.

prime 17-tuplets: A257373 out of A257374, A257375, A257376, A257377.

Cf. A343637 (distance from 10^n to the next septuplet).

Cf. A100418.

Sequence in context: A023334 A216790 A068730 * A208857 A214162 A167068

Adjacent sequences: A257121 A257122 A257123 * A257125 A257126 A257127

Keyword

nonn

Author

Tim Johannes Ohrtmann, Apr 16 2015

Status

approved