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A135219 a(n) = largest number with n+1 digits and without zero digits whose squares have maximal number of zero digits = A135215(n+1). 4
99, 949, 9798, 62498, 997998, 6244998 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..7.

CROSSREFS

Cf. A134843, A134844, A134845, A134846, A134847, A134848, A134849, A135215, A135216, A135217.

Sequence in context: A185499 A061366 A177686 * A182672 A124113 A223157

Adjacent sequences:  A135216 A135217 A135218 * A135220 A135221 A135222

KEYWORD

nonn,base

AUTHOR

Artur Jasinski, Nov 23 2007

STATUS

approved

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Last modified September 26 11:10 EDT 2020. Contains 337357 sequences. (Running on oeis4.)