A201257 Primes of the form 7n^3+9.

457, 3593, 56009, 384113, 681361, 1835017, 2201033, 3072841, 4770313, 7000009, 7874057, 14680073, 16842737, 30876617, 32020081, 38162441, 52706761, 61192721, 72521633, 160344137, 163755601, 170723009, 181540361, 185245153, 208537009

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..2300

Mathematica

Select[Table[7n^3+9, {n, 0, 7000}], PrimeQ]

Prog

(Magma) [a: n in [0..500] | IsPrime(a) where a is 7*n^3+9]

Crossrefs

Sequence in context: A020364 A337847 A093058 * A252400 A252399 A341186

Adjacent sequences: A201254 A201255 A201256 * A201258 A201259 A201260

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 29 2011

Status

approved