A134845 Smallest number k not divisible by 10 such that k^2 contains exactly n zeros.

32, 101, 448, 1001, 10004, 10001, 100004, 100001, 1000004, 1000001, 10000004, 10000001, 100000004, 100000001, 1000000004, 1000000001

Offset

1,1

Links

Table of n, a(n) for n=1..16.

J. Browkin, Groebner basis.

Example

a(1)=32 because 32 is smallest number whose square contains exactly one zero.

Crossrefs

Cf. A134843, A134844, A134846.

Sequence in context: A228686 A172517 A194645 * A167982 A063498 A173951

Adjacent sequences: A134842 A134843 A134844 * A134846 A134847 A134848

Keyword

nonn,base

Author

Artur Jasinski, Nov 13 2007, Nov 16 2007

Extensions

a(9)-a(16) from Arkadiusz Wesolowski, Jan 19 2013

Status

approved