A173943 Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.

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

Offset

1,1

Comments

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

Links

Claudio Meller, Table of n, a(n) for n = 1..233

Crossrefs

Sequence in context: A291422 A200830 A028545 * A071130 A031577 A031757

Adjacent sequences: A173940 A173941 A173942 * A173944 A173945 A173946

Keyword

nonn,base

Author

Claudio Meller, Nov 26 2010

Status

approved