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A257124 Initial members of prime septuplets. 29

%I #22 Sep 06 2023 08:09:09

%S 11,5639,88799,165701,284729,626609,855719,1068701,1146779,6560999,

%T 7540439,8573429,11900501,15760091,17843459,18504371,19089599,

%U 21036131,24001709,25658441,39431921,42981929,43534019,45002591,67816361,69156539,74266259,79208399,80427029,84104549,86818211,87988709,93625991,124066079

%N Initial members of prime septuplets.

%H Tim Johannes Ohrtmann, <a href="/A257124/b257124.txt">Table of n, a(n) for n = 1..1990</a>

%H Tony Forbes, <a href="http://anthony.d.forbes.googlepages.com/ktuplets.htm">k-tuplets</a>

%F Disjoint union of A022009 and A022010. - _M. F. Hasler_, Aug 04 2021

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

%Y twin primes: A001359.

%Y prime triples: A007529 out of A022004, A022005.

%Y prime quadruplets: A007530.

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

%Y prime sextuplets: A022008.

%Y prime septuplets: this sequence out of A022009, A022010.

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

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

%Y prime decaplets: A257127 out of A027569, A027570.

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

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

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

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

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

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

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

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

%Y Cf. A100418.

%K nonn

%O 1,1

%A _Tim Johannes Ohrtmann_, Apr 16 2015

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Last modified August 10 05:56 EDT 2024. Contains 375044 sequences. (Running on oeis4.)