A135217 a(n) = smallest number with n+1 digits and without zero digits whose squares have the maximal number of zero digits = A135215(n+1).

32, 448, 3747, 62498, 248998, 6244998, 31623251, 498998998, 2449489753, 28284271249

Offset

2,1

Links

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

Crossrefs

Cf. A134843, A134844, A134845, A134846, A134847, A134848, A134849, A135215, A135216, A135219.

Sequence in context: A022692 A160142 A159544 * A274802 A274748 A283811

Adjacent sequences: A135214 A135215 A135216 * A135218 A135219 A135220

Keyword

nonn,base

Author

Artur Jasinski, Nov 23 2007

Extensions

a(8)-a(11) from Lars Blomberg, Jun 26 2011

Status

approved