A158517 Numbers n with property that 4 n^2 are squares arising in A158470.

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

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