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A271142 A 3 X 3 semimagic square of odd squares, read by rows.

%I A271142 #4 Apr 05 2016 00:20:29
%S A271142 4713241,182439049,207158449,278990209,76545001,38775529,110607289,
%T A271142 135326689,148376761
%N A271142 A 3 X 3 semimagic square of odd squares, read by rows.
%C A271142 Three rows, three columns and one diagonal sum to the same number: 394310739 = A271022(1).
%H A271142 Christian Boyer, <a href="http://www.multimagie.com/English/SquaresOfSquares.htm">Magic squares of squares</a>
%H A271142 <a href="/index/Mag#magic">Index entries for sequences related to magic squares</a>
%e A271142 The semimagic square is
%e A271142 |---------|---------|---------|
%e A271142 | 4713241 |182439049|207158449|
%e A271142 |---------|---------|---------|
%e A271142 |278990209| 76545001| 38775529|
%e A271142 |---------|---------|---------|
%e A271142 |110607289|135326689|148376761|
%e A271142 |---------|---------|---------|
%e A271142 It is:
%e A271142 |---------|---------|---------|
%e A271142 |  2171^2 | 13507^2 | 14393^2 |
%e A271142 |---------|---------|---------|
%e A271142 | 16703^2 |  8749^2 |  6227^2 |
%e A271142 |---------|---------|---------|
%e A271142 | 10517^2 | 11633^2 | 12181^2 |
%e A271142 |---------|---------|---------|
%Y A271142 Cf. A267118, A271022.
%K A271142 nonn,fini,full,tabf
%O A271142 1,1
%A A271142 _Arkadiusz Wesolowski_, Mar 31 2016