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A045877 Rotating digits of a(n)^2 right once still yields a square. 3

%I

%S 1,2,3,16,21,31,129,221,247,258,1062,1593,1964,2221,13516,17287,18516,

%T 19821,22221,28064,29631,103764,182362,222221,273543,1246713,1509437,

%U 1635219,1856538,2222221,2253804,2749249,2784807,11619096,11949507

%N Rotating digits of a(n)^2 right once still yields a square.

%C Squares resulting in leading zeros excluded.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareNumber.html">Square Number</a>

%e 13516^2 = 18268225{6} -> {6}18268225 = 24865^2.

%Y Cf. A000290, A045878, A035126, A035128.

%K nonn,base

%O 1,2

%A _Erich Friedman_

%E More terms from _Patrick De Geest_, Nov 15 1998

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Last modified November 21 09:14 EST 2019. Contains 329362 sequences. (Running on oeis4.)