A115740 Cubes whose digit reversal is a semiprime (A001358).

64, 512, 4913, 6859, 10648, 12167, 15625, 24389, 39304, 50653, 54872, 64000, 79507, 97336, 117649, 148877, 175616, 195112, 226981, 314432, 357911, 512000, 778688, 830584, 912673, 941192, 1092727, 1124864, 1191016, 1225043, 1295029

Offset

1,1

Links

Table of n, a(n) for n=1..31.

Example

64=4^3 and 46=2*23 is semiprime.

Crossrefs

Cf. A001358, A115712.

Sequence in context: A233304 A016803 A066430 * A100415 A200841 A247929

Adjacent sequences: A115737 A115738 A115739 * A115741 A115742 A115743

Keyword

nonn,base

Author

Giovanni Resta, Jan 31 2006

Status

approved