A066392 a(n)^2 is the smallest positive square that contains n consecutive internal 0's.

1, 32, 245, 1249, 6245, 43589, 678233, 1562498, 19531257, 254460213, 508920426, 894427191, 4472135955, 817871093755, 33166247903554

Offset

0,2

Links

Table of n, a(n) for n=0..14.

Crossrefs

Squares are in A066371.

Sequence in context: A231304 A269079 A134846 * A300565 A231801 A250280

Adjacent sequences: A066389 A066390 A066391 * A066393 A066394 A066395

Keyword

base,nonn,more

Author

Erich Friedman and Robert G. Wilson v, Dec 23 2001

Extensions

a(9)-a(14) from Lars Blomberg, Apr 29 2013

Status

approved