A201607 Primes of the form 7n^2 + 6.

13, 181, 349, 853, 2029, 3709, 6733, 8581, 24373, 26053, 29581, 37309, 50581, 57973, 71413, 80149, 92581, 99133, 112909, 123829, 155413, 195229, 199933, 214381, 277213, 294181, 311653, 323581, 329629, 399853, 406573, 427069, 491581

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

Mathematica

Select[Table[7n^2+6, {n, 0, 1000}], PrimeQ]

Prog

(Magma) [a: n in [0..700] | IsPrime(a) where a is 7*n^2+6];

Crossrefs

Sequence in context: A132386 A127390 A142646 * A083576 A189432 A001570

Adjacent sequences: A201604 A201605 A201606 * A201608 A201609 A201610

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 03 2011

Status

approved