A157911 Nonprimes whose digits are all cubes.

0, 1, 8, 10, 18, 80, 81, 88, 100, 108, 110, 111, 118, 180, 188, 800, 801, 808, 810, 818, 880, 888, 1000, 1001, 1008, 1010, 1011, 1018, 1080, 1081, 1088, 1100, 1101, 1108, 1110, 1111, 1118, 1180, 1188, 1800, 1808, 1810, 1818, 1880, 1881, 1888, 8000, 8001

Offset

1,3

Comments

Cube digits are 0, 1 or 8 (i.e., 0=0*0*0, 1=1*1*1 or 8=2*2*2).

Links

Table of n, a(n) for n=1..48.

Formula

A046031 SET-MINUS A000040. [R. J. Mathar, Mar 17 2009]

Crossrefs

Cf. A000578, A141468.

Sequence in context: A179474 A079347 A153382 * A090097 A236653 A257274

Adjacent sequences: A157908 A157909 A157910 * A157912 A157913 A157914

Keyword

nonn,base,less

Author

Juri-Stepan Gerasimov, Mar 09 2009

Extensions

Numbers in the range 1100 to 1188 added by R. J. Mathar, Mar 17 2009

Status

approved