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A172053 n-th nonnegative number k such that neither 6*k+-1 is prime plus n-th number m such that 6*m+-1 are both twin primes. 0
1, 22, 27, 36, 41, 46, 53, 65, 68, 77, 82, 99, 103, 112, 124, 128, 134, 139, 149, 162, 176, 183, 193, 206, 225, 232, 237, 243, 249, 276, 282, 287, 293, 301, 330, 339, 346, 351, 358, 371, 385, 402, 405, 408, 413, 434, 443, 454, 457, 479, 482, 497, 505, 510, 522 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

FORMULA

a(n)=A171696(n)+A002822(n).

CROSSREFS

Cf. A002822, A171696.

Sequence in context: A306481 A211320 A215601 * A038355 A043128 A043908

Adjacent sequences:  A172050 A172051 A172052 * A172054 A172055 A172056

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Jan 24 2010

EXTENSIONS

Entries checked by R. J. Mathar, May 22 2010

STATUS

approved

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Last modified June 6 11:14 EDT 2020. Contains 334827 sequences. (Running on oeis4.)