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A135217
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a(n) = smallest number with n+1 digits and without zero digits whose squares have the maximal number of zero digits = A135215(n+1).
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4
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OFFSET
| 2,1
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CROSSREFS
| Cf. A134843, A134844, A134845, A134846, A134847, A134848, A134849, A135215, A135216, A135219.
Sequence in context: A022692 A160142 A159544 * A066580 A076070 A133348
Adjacent sequences: A135214 A135215 A135216 * A135218 A135219 A135220
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KEYWORD
| nonn,base
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Nov 23 2007
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EXTENSIONS
| a(8)-a(11) from Lars Blomberg (lars.blomberg(AT)visit.se), Jun 26 2011
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