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

Author

Artur Jasinski, Nov 13 2007, Nov 16 2007

Keywords

• nonn
• base

Examples

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

Links

• J. Browkin, Groebner basis.

Crossrefs

Cf. A134843, A134844, A134846.

Extensions

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