

A134439


Numbers n with property that for each digit d from 1 to 9, we can also see the decimal expansion of d^2 as a substring of n.


7



2536497816, 2536498167, 2536781649, 2536816497, 2573649816, 2573681649, 2578163649, 2578164936, 2581636497, 2581649367, 2581649736, 2581673649, 3625781649, 3625816497, 3649257816, 3649258167, 3649725816, 3649781625
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OFFSET

1,1


LINKS

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


EXAMPLE

In the first number, for 2 we can see 4, for 5 we can see 25, for 3 we can see 9, for 6 we can see 36, for 4 we can see 16, for 9 we can see 81, for 8 we can see 64, for 1 we can see 1 and for 7 we can see 49.


PROG

For C++ program see the Applegate link in A135463.


CROSSREFS

Cf. A134692, A134698, A134962.
Sequence in context: A120290 A308377 A271105 * A288844 A028521 A064163
Adjacent sequences: A134436 A134437 A134438 * A134440 A134441 A134442


KEYWORD

nonn,base


AUTHOR

Zak Seidov, Feb 02 2008


EXTENSIONS

Corrected by David Applegate, Feb 09 2008


STATUS

approved



