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A048353
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a(n)^2 is the smallest square containing exactly n 8's.
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1
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9, 83, 298, 1378, 8878, 29641, 298141, 623609, 9321378, 28072917, 94121667, 329877083, 4341484641, 29478276559, 62360956378, 151284113141
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Eric Weisstein's World of Mathematics, Square Number
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MATHEMATICA
| a[n_] := Module[{i = 1}, While[DigitCount[i^2][[8]] != n, i++ ]; i]; - Sam Handler (sam_5_5_5_0(AT)yahoo.com), Aug 22 2006
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CROSSREFS
| Cf. A036515, A034992.
Sequence in context: A015497 A174472 A039357 * A037502 A037679 A015579
Adjacent sequences: A048350 A048351 A048352 * A048354 A048355 A048356
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KEYWORD
| nonn,base,more
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 1999.
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EXTENSIONS
| a(13)-a(16) from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Jan 24 2009
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