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Search: id:A079036
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| A079036 |
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Squares of these numbers have all their digits occurring in groups of 2 or more, without ending in zero. |
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+0
2
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| 88, 74162, 105462, 2973962, 31500088, 2366406812, 4715270688, 21186201038, 81445482588, 94245717262, 94277380462, 814454814312, 878141979162, 2579792842738, 3339943529162, 5744665119912, 10490710229162
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A larger example is given by 939269775530142412^2 = 882227711224444113355445577001177744. The sequence is infinite, since it contains the numbers (10^k+1)*74162 and (10^k+1)*105462 for any k>=13. - Giovanni Resta (g.resta(AT)iit.cnr.it), Sep 20 2006
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LINKS
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Frank Rubin, Repeated Digits.
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EXAMPLE
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a(2) = 74162 because 74162^2 = 5500002244 consists of a group of 2 5's, followed by a group of 4 0's, then 2 2's and finally 2 4's.
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CROSSREFS
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Cf. A079035.
Sequence in context: A159718 A157460 A093244 this_sequence A159420 A093222 A114922
Adjacent sequences: A079033 A079034 A079035 this_sequence A079037 A079038 A079039
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KEYWORD
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base,nonn
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AUTHOR
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Sudipta Das (juitech(AT)vsnl.net), Feb 01 2003
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EXTENSIONS
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More terms from Giovanni Resta (g.resta(AT)iit.cnr.it), Sep 20 2006
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