A167730 - OEIS

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A167730

Cubes that becomes a prime number when prefixed with a 6.

1, 343, 1331, 117649, 389017, 571787, 704969, 1442897, 1685159, 2352637, 2685619, 4826809, 5929741, 6539203, 6967871, 9393931, 15069223, 15813251, 16194277, 22665187, 25153757, 35611289, 49430863, 58863869, 59776471, 62570773

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OFFSET

1,2

COMMENTS

Subsequence of cubes of A032669. - Michel Marcus, Jun 22 2016

LINKS

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

MATHEMATICA

Select[Range[1, 500000, 2]^3, PrimeQ[FromDigits[Join[{6}, IntegerDigits[#]]]] &] (* G. C. Greubel, Jun 21 2016 *)

CROSSREFS

Cf. A032669.

Sequence in context: A052084 A075546 A167733 * A250138 A016923 A016983

Adjacent sequences: A167727 A167728 A167729 * A167731 A167732 A167733

KEYWORD

base,nonn

AUTHOR

Claudio Meller, Nov 10 2009

STATUS

approved