login
A167726
Cubes that become a prime number when prefixed with a 2.
1
27, 729, 12167, 19683, 68921, 148877, 185193, 328509, 658503, 704969, 970299, 1030301, 1367631, 2248091, 3581577, 5000211, 9663597, 15813251, 17779581, 19034163
OFFSET
1,1
COMMENTS
Subsequence of cubes of A032665. - Michel Marcus, Jun 22 2016
LINKS
MATHEMATICA
Select[Range[1, 500000, 2]^3, PrimeQ[FromDigits[Join[{2}, IntegerDigits[#]]]] &] (* G. C. Greubel, Jun 21 2016 *)
CROSSREFS
Cf. A032665.
Sequence in context: A016947 A223790 A223976 * A268022 A223571 A228973
KEYWORD
base,nonn
AUTHOR
Claudio Meller, Nov 10 2009
STATUS
approved