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A079036
Squares of these numbers have all their digits occurring in groups of 2 or more, without ending in zero.
3
88, 74162, 105462, 2973962, 31500088, 2366406812, 4715270688, 21186201038, 81445482588, 94245717262, 94277380462, 814454814312, 878141979162, 2579792842738, 3339943529162, 5744665119912, 10490710229162, 10546200105462, 10950910657262, 23577201339312
OFFSET
1,1
COMMENTS
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
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..76 (terms < 10^19)
Frank Rubin, Repeated Digits.
EXAMPLE
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.
CROSSREFS
Sequence in context: A157460 A267917 A093244 * A159420 A093222 A114922
KEYWORD
nonn,base
AUTHOR
Sudipta Das (juitech(AT)vsnl.net), Feb 01 2003
EXTENSIONS
More terms from Giovanni Resta, Sep 20 2006
More terms from Giovanni Resta, Sep 06 2018
STATUS
approved