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A173943
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Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.
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3
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6241, 20164, 92416, 124609, 128164, 132496, 162409, 165649, 186624, 195364, 196249, 209764, 214369, 244036, 258064, 264196, 268324, 326041, 346921, 351649, 362404, 395641, 401956, 436921, 495616, 541696, 543169, 605284, 628849, 643204, 648025, 651249, 652864, 669124, 687241, 822649, 824464, 868624, 1034289, 1036324, 1046529, 1054729, 1065024, 1073296, 1132096
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OFFSET
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1,1
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COMMENTS
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Inspired by a problem of Bernardo Recamán Santos found in http://www.mathpuzzle.com/
How were these computed? Is there a better way than by brute force? - N. J. A. Sloane, Nov 27 2010
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LINKS
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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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STATUS
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approved
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