A202083 Primes of the form 16n^2 + 121.

137, 521, 1721, 3257, 4217, 5897, 6521, 7177, 9337, 10937, 13577, 15497, 18617, 20857, 27017, 41737, 55817, 65657, 80777, 90121, 105097, 113017, 118457, 126857, 141497, 163337, 173177, 176521, 179897, 197257, 208057, 215417, 226697

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..10000

Mathematica

Select[Table[16n^2+121, {n, 0, 900}], PrimeQ]

Prog

(Magma) [a: n in [0..200] | IsPrime(a) where a is 16*n^2+121];

Crossrefs

Sequence in context: A142620 A188127 A142813 * A330491 A136080 A215864

Adjacent sequences: A202080 A202081 A202082 * A202084 A202085 A202086

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 11 2011

Status

approved