A087351 Smallest noncomposite number which is the concatenation of n successive squares, or 0 if no such number exists.

1, 6481, 149, 14400146411488415129, 2464924964252812560025921, 4916253649, 496481100121144169, 36003721384439694096422543564489, 0, 47524479614840048841492844972950176506255107651529

Offset

2,2

Comments

a(9k) = 0. - David Wasserman, May 10 2005

Links

Table of n, a(n) for n=2..11.

Example

a(3) = 149 is the concatenation of three squares 1,4,9.

Crossrefs

Sequence in context: A175756 A190012 A362878 * A104343 A207837 A104242

Adjacent sequences: A087348 A087349 A087350 * A087352 A087353 A087354

Keyword

base,nonn

Author

Amarnath Murthy, Sep 08 2003

Extensions

More terms from David Wasserman, May 10 2005

Status

approved