A154408 -id:A154408 - cp's OEIS frontend

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

Vincenzo Librandi, Jan 09 2009

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

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

Cf. A017305, A154408.

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

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

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

A154412 Primes of the form 10n^2+14n+5, n >= 0.

Original entry on oeis.org

5, 29, 73, 137, 449, 593, 757, 941, 1613, 1877, 2161, 2789, 3881, 5153, 6101, 7129, 7673, 8237, 8821, 12041, 13469, 15761, 17389, 18233, 26729, 27773, 28837, 29921, 34457, 38069, 39313, 40577, 45833, 60373, 63521, 66749, 71741, 75169, 76913

Offset: 1

Vincenzo Librandi, Jan 09 2009

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

Cf. A017353, A154408.

[a: n in [0..100] | IsPrime(a) where a is 10*n^2+14*n+5]; // Vincenzo Librandi, Jul 23 2012

Select[Table[10n^2+14n+5,{n,0,200}],PrimeQ] (* Vincenzo Librandi, Jul 23 2012 *)

{for(n=0, 100, if(isprime(k=10*n^2+14*n+5), print1(k, ", ")))}; \\ Vincenzo Librandi, Jul 23 2012

Corrected by Don Reble, Jun 16 2010

cp's OEIS Frontend

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

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