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.

1, 11, 111, 1111, 11111, 111111, 1111111, 11111111, 111111111, 1111111111, 11111111111, 111111111111, 1111111111111, 11111111111111, 111111111111111, 1111111111111111, 11111111111111111, 111111111111111111, 216343649812512729

Offset

1,2

Links

David Applegate, Table of n, a(n) for n = 1..300

David Applegate, C++ program for sequences of this type

Prog

For C++ program see the Applegate link.

Crossrefs

Cf. A134962.

Sequence in context: A267257 A113589 A366394 * A000042 A002275 A294348

Adjacent sequences: A135460 A135461 A135462 * A135464 A135465 A135466

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