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.

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

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