A167727 Cubes that becomes a prime number when prefixed with a 3.

1, 343, 4913, 226981, 389017, 456533, 571787, 912673, 1295029, 2352637, 5177717, 5735339, 7645373, 9129329, 10218313, 11089567, 19902511

Offset: 1

Author

Claudio Meller, Nov 10 2009

Keywords

• base
• nonn

Comments

Subsequence of cubes of A032666. - Michel Marcus, Jun 22 2016

Links

• G. C. Greubel, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A032666.

Programs

Mathematica

a441 = Select[Range[1, 5000, 2]^3, PrimeQ[FromDigits[Join[{3}, IntegerDigits[#]]]] &] (* G. C. Greubel, Jun 21 2016 *)