A078947 - OEIS

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A078947

Primes p such that the differences between the 5 consecutive primes starting with p are (2,4,6,6).

2

41, 641, 1091, 4001, 9461, 26681, 26711, 44531, 79811, 103991, 110921, 112571, 172421, 223241, 276821, 289841, 290021, 317771, 373181, 381371, 434921, 450881, 493121, 602081, 678761, 788351, 834131, 907211, 974861, 1076501, 1081121

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Equivalently, p, p+2, p+6, p+12 and p+18 are consecutive primes.

Subsequence of A078847.

LINKS

Table of n, a(n) for n=1..31.

EXAMPLE

641 is in the sequence since 641, 643, 647, 653 and 659 are consecutive primes.

CROSSREFS

Cf. A001223, A078866, A078867, A078946-A078971, A022006, A022007.

Sequence in context: A241622 A276251 A298627 * A299600 A197371 A268748

Adjacent sequences: A078944 A078945 A078946 * A078948 A078949 A078950

KEYWORD

nonn

AUTHOR

Labos Elemer, Dec 19 2002

EXTENSIONS

Edited by Dean Hickerson, Dec 20 2002

STATUS

approved