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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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3
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88, 74162, 105462, 2973962, 31500088, 2366406812, 4715270688, 21186201038, 81445482588, 94245717262, 94277380462, 814454814312, 878141979162, 2579792842738, 3339943529162, 5744665119912, 10490710229162, 10546200105462, 10950910657262, 23577201339312
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OFFSET
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1,1
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COMMENTS
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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, Sep 20 2006
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LINKS
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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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KEYWORD
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nonn,base
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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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STATUS
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approved
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