A154409 Primes of the form 10n^2+6n+1.

17, 53, 109, 281, 397, 1061, 1277, 2341, 2657, 4973, 6917, 8009, 9181, 10433, 13177, 13913, 14669, 18749, 20521, 25301, 26317, 28409, 32833, 42641, 45293, 46649, 56701, 58217, 59753, 67733, 69389, 76213, 77969, 83357, 85193, 87049, 90821

Offset

1,1

Comments

Subsequence of A207337. Primes of the form n^2+(3n+1)^2. - Bruno Berselli, Jul 17 2012

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Mathematica

Select[Table[10n^2+6n+1, {n, 0, 700}], PrimeQ] (* Vincenzo Librandi, Jul 17 2012 *)

Prog

(Magma) [a: n in [0..200] | IsPrime(a) where a is 10*n^2+6*n+1]; // Vincenzo Librandi, Jul 17 2012

Crossrefs

Cf. A017305, A154408.

Sequence in context: A031383 A248697 A180456 * A033213 A082078 A107175

Adjacent sequences: A154406 A154407 A154408 * A154410 A154411 A154412

Keyword

nonn,easy

Author

Vincenzo Librandi, Jan 09 2009

Extensions

Misleading formula removed - R. J. Mathar, Oct 18 2010

Status

approved