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Search: id:A053915
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| A053915 |
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Squares composed of digits {1,8,9}. |
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+0
3
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| 1, 9, 81, 11881, 19881, 111999889, 1199998881, 1981191998999889, 11181188899981881, 889111189818189198888889, 18891818199881191889889889
(list; graph; listen)
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OFFSET
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1,2
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LINKS
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P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source, (txt)
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CROSSREFS
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Cf. A053914.
Sequence in context: A110853 A167723 A003302 this_sequence A067216 A076088 A061211
Adjacent sequences: A053912 A053913 A053914 this_sequence A053916 A053917 A053918
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KEYWORD
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nonn,base,more
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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EXTENSIONS
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One more term 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
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