A048426 - OEIS

%I #16 Nov 08 2022 16:45:31

%S 696,1275,1771,2538,3486,6014,6021,7969,16035,16095,16096,19175,29004,

%T 40066,47475,67989,69007,76005,85396,90098,110425,128125,150112,

%U 160038,160125,160205,161177,170775,180204,180275,220095,259325,350042,480675

%N Numbers k such that k^2 is composed of three 1-digit-overlapping subsquares.

%C Subsquares with leading and/or trailing zeros are not included.

%C Subsquares are at least 2 digits long.

%e 6014 is a term:

%e 6014^2 = 36168196

%e   19^2 = 361

%e   41^2 =   1681

%e   14^2 =      196

%e            ^  ^

%e            |  |

%e          1-digit overlaps

%Y Cf. A000290, A048425.

%K nonn,base

%O 1,1

%A _Patrick De Geest_, Apr 15 1999

%E Offset corrected by _Sean A. Irvine_, Nov 08 2022