A104776 Numbers n such that n+2*prime(n) is a perfect square.

14, 30, 67, 171, 246, 255, 315, 374, 455, 722, 822, 911, 963, 978, 1410, 1650, 1826, 2103, 2390, 2558, 2747, 3030, 3055, 3170, 6642, 8414, 8807, 8879, 10647, 10967, 11502, 11543, 11627, 11750, 12866, 13263, 13607, 15030, 16070, 16411, 16907

Offset

1,1

Links

Table of n, a(n) for n=1..41.

Mathematica

Select[Range[17000], IntegerQ[Sqrt[#+2Prime[#]]]&] (* Harvey P. Dale, Aug 18 2011 *)

Crossrefs

Cf. A104783, A104788, A104852.

Sequence in context: A011257 A083540 A027575 * A308312 A101960 A075208

Adjacent sequences: A104773 A104774 A104775 * A104777 A104778 A104779

Keyword

nonn

Author

Zak Seidov, Apr 23 2005

Status

approved