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A281448 Initial primes of 9 consecutive primes with consecutive gaps 2, 4, 6, 8, 10, 12, 14, 16. 1
113575727, 232728647, 2426256797, 2469604721, 3344410367, 4656098957, 4952808461, 6369321857, 6430890287, 6760087151, 8518049207, 10818813737, 13195845317, 19684555061, 21884908931, 23953276661, 25509639137, 26367829331, 26390212061, 31004257211 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..174

MATHEMATICA

Select[Partition[Prime[Range[20*10^7]], 9, 1], Differences[#] == 2*Range[8] &][[All, 1]]

PROG

(PARI) g=0; p=2; forprime(q=3, , if(q-p==g+2, g+=2; if(g==16, print1(q-72", "); g=0), g=0); p=q) \\ Charles R Greathouse IV, Jan 28 2017

CROSSREFS

Cf. A078847, A190814, A190817, A190819, A190838.

Sequence in context: A068538 A186552 A147581 * A171571 A208491 A205169

Adjacent sequences:  A281445 A281446 A281447 * A281449 A281450 A281451

KEYWORD

nonn

AUTHOR

Harvey P. Dale, Jan 27 2017

EXTENSIONS

a(10)-a(20) from Charles R Greathouse IV, Jan 28 2017

STATUS

approved

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Last modified March 2 09:23 EST 2021. Contains 341746 sequences. (Running on oeis4.)