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Search: id:A077355
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| A077355 |
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Squares whose internal digits form a square. |
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+0 5
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| 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 144, 196, 400, 441, 841, 900, 1369, 3364, 4096, 5041, 8649, 10000, 10816, 11449, 20164, 38416, 40000, 61009, 64009, 77841, 90000, 117649, 132496, 170569, 231361, 249001, 288369, 310249, 405769
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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A000005(a(n)) is an odd number. - Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Oct 10 2009
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EXAMPLE
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11449=107^2 is a member as it has internal digits 144 = 12^2.
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CROSSREFS
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Cf. A077356, A077357.
Cf. A000005. - Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Oct 10 2009
Sequence in context: A018885 A025741 A030476 this_sequence A077487 A068864 A068854
Adjacent sequences: A077352 A077353 A077354 this_sequence A077356 A077357 A077358
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KEYWORD
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base,nonn,new
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 05 2002
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EXTENSIONS
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More terms from Erich Friedman (efriedma(AT)stetson.edu), Aug 08 2005
Edited by Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Oct 10 2009
Misleading comment removed by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 28 2009
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