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A158517 Numbers n with property that 4 n^2 are squares arising in A158470. 1
3, 12, 18, 102, 192, 762, 843, 1332, 1368, 1587, 2013, 2307, 2907, 3702, 3762, 3798, 3867, 5367, 5433, 5622, 5793, 6117, 7008, 7758, 8352, 10488, 11022, 11523, 12078, 12303, 12462, 16473, 16593, 17292, 17688, 17958, 18462, 18513, 19458, 21543 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

Zak Seidov, A158517

CROSSREFS

A158470 n such that prime (n - 1) + 7 is square and equal to prime (n + 1) - 1.

Sequence in context: A166038 A052637 A120623 * A043877 A217697 A134965

Adjacent sequences:  A158514 A158515 A158516 * A158518 A158519 A158520

KEYWORD

nonn

AUTHOR

Zak Seidov, Mar 20 2009

STATUS

approved

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Last modified May 13 18:37 EDT 2021. Contains 343868 sequences. (Running on oeis4.)