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A078968 Primes p such that the differences between the 5 consecutive primes starting with p are (6,6,6,2). 1
251, 17471, 56081, 75521, 94421, 115751, 121001, 154061, 163841, 179801, 185051, 250031, 344231, 351041, 380441, 417941, 517061, 683681, 703211, 713171, 783131, 849581, 916451, 983771, 1003091, 1025261, 1055591, 1070411, 1115561, 1129841 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Equivalently, p, p+6, p+12, p+18 and p+20 are consecutive primes.

Subsequence of A033451. - R. J. Mathar, May 06 2017

LINKS

Table of n, a(n) for n=1..30.

EXAMPLE

251 is in the sequence since 251, 257, 263, 269 and 271 are consecutive primes.

CROSSREFS

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

Sequence in context: A234929 A218639 A090834 * A052239 A089236 A176377

Adjacent sequences:  A078965 A078966 A078967 * A078969 A078970 A078971

KEYWORD

nonn

AUTHOR

Labos Elemer, Dec 19 2002

EXTENSIONS

Edited by Dean Hickerson, Dec 20 2002

STATUS

approved

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Last modified May 17 18:55 EDT 2021. Contains 343987 sequences. (Running on oeis4.)