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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). 4
32, 448, 3747, 62498, 248998, 6244998, 31623251, 498998998, 2449489753, 28284271249 (list; graph; refs; listen; history; text; internal format)
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

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Last modified July 7 14:34 EDT 2020. Contains 335495 sequences. (Running on oeis4.)