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A046031 Digits are cubes. 5
0, 1, 8, 10, 11, 18, 80, 81, 88, 100, 101, 108, 110, 111, 118, 180, 181, 188, 800, 801, 808, 810, 811, 818, 880, 881, 888, 1000, 1001, 1008, 1010, 1011, 1018, 1080, 1081, 1088, 1100, 1101, 1108, 1110, 1111, 1118, 1180, 1181, 1188, 1800, 1801, 1808 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This is also a sequence where the digits of each integer are both horizontally and vertically symmetrical. - Philip Mizzi, May 24 2014

Numbers with no prime or semiprime digits. - Wesley Ivan Hurt, Jan 17 2016

LINKS

Bruno Berselli, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Smarandache Sequences.

FORMULA

G.f. G(x) satisfies G(x) = 10*(1+x+x^2)*G(x^3)+x*(1+8*x)/(1-x^3). - Robert Israel, Jan 18 2016

MAPLE

M[1]:= [0, 1, 8]:

for n from 2 to 4 do M[n]:= map(t -> (10*t, 10*t+1, 10*t+8), M[n-1]) od:

M[4]; # Robert Israel, Jan 18 2016

PROG

(MAGMA) [n: n in [0..2000] | forall{d: d in Intseq(n) | d in [0, 1, 8]}]; // Bruno Berselli, Jan 10 2013

CROSSREFS

Sequence in context: A122990 A288107 A062372 * A102758 A176815 A336143

Adjacent sequences:  A046028 A046029 A046030 * A046032 A046033 A046034

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified July 14 15:26 EDT 2020. Contains 335729 sequences. (Running on oeis4.)