login
A135463
Numbers n with property that for each single digit d of n, we can also see the decimal expansions of d^2 and d^3 as substrings of n. Also n may not contain any 0 digits.
14
1, 11, 111, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111111, 111111111111111111, 216343649812512729
OFFSET
1,2
PROG
(C++) // For C++ program see the Applegate link.
CROSSREFS
Cf. A134962.
Sequence in context: A267257 A113589 A366394 * A000042 A002275 A294348
KEYWORD
nonn,base
AUTHOR
Proposed by Zak Seidov, Feb 04 2007; computed by David Applegate and N. J. A. Sloane, Feb 07 2008
STATUS
approved