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A053914
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Numbers n such that n^2 contains only digits {1,8,9}.
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1
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1, 3, 9, 109, 141, 10583, 34641, 44510583, 105741141, 942926927083, 4346471925583, 2969848344609859
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source, (txt)
H. Mishima, Sporadic tridigital solutions
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CROSSREFS
| Cf. A053915.
Sequence in context: A135989 A125652 A018746 * A018757 A177243 A127100
Adjacent sequences: A053911 A053912 A053913 * A053915 A053916 A053917
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KEYWORD
| nonn,base,more
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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EXTENSIONS
| More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006
One more term from Mishima's webpage added by Max Alekseyev (maxale(AT)gmail.com), Jan 28 2012
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