A157911 - OEIS

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A157911

Nonprimes whose digits are all cubes.

0

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

(list; graph; refs; listen; history; text; internal format)

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 A373727 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