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a(n) = A110722(n)/121.
5

%I #12 Sep 06 2017 19:10:35

%S 0,1,4,9,16,25,36,49,64,81,910,10201,21312,34243,48994,65565,83956,

%T 104167,126198,150049,3640,21312,40804,62116,85248,110200,136972,

%U 165564,195976,228208,8190,34243,62116,91809,123322,156655,191808,228781

%N a(n) = A110722(n)/121.

%H G. C. Greubel, <a href="/A110723/b110723.txt">Table of n, a(n) for n = 0..1000</a>

%F When n has one digit a(n)=n^2. When n has two digits a(n)= 910*x^2 + 8381*x*y + 910*y^2. (Here x,y are the digits of n.). - _Keith Schneider_, Jun 16 2007

%e a(13) = A110722(13)/121 = 4143403/121 = 34243.

%t Table[FromDigits[Join[IntegerDigits[n], Reverse[IntegerDigits[n]]]]* FromDigits[Join[Reverse[IntegerDigits[n]], IntegerDigits[n]]]/121, {n, 0, 50}] (* _G. C. Greubel_, Sep 06 2017 *)

%Y Cf. A110722.

%K base,easy,nonn

%O 0,3

%A _Amarnath Murthy_, Aug 09 2005

%E Corrected and extended by James Greene (jmg482(AT)psu.edu), Apr 07 2006