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A058445
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Numbers n such that n^2 contains only digits {0,5,6}, not ending with zero.
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1
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OFFSET
| 1,1
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LINKS
| Tanya Khovanova, Non Recursions
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
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CROSSREFS
| Cf. A058446.
Sequence in context: A204419 A067495 A047698 * A132910 A172550 A080126
Adjacent sequences: A058442 A058443 A058444 * A058446 A058447 A058448
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KEYWORD
| nonn,base,hard,more,bref
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.
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EXTENSIONS
| No more terms to 2 * 10^19. [Charles R Greathouse IV, Aug 20 2011]
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