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Number of 7X7 0..n arrays with every element equal to a diagonal or antidiagonal reflection
1

%I #5 Mar 31 2012 12:37:29

%S 82556485632,61291132048828125,709908161907247808512,

%T 923682425022125244140625,310357092660359621536382976,

%U 41461694858240499304086993277,2836619246897071128576000000000

%N Number of 7X7 0..n arrays with every element equal to a diagonal or antidiagonal reflection

%C Row 7 of A209593

%H R. H. Hardin, <a href="/A209598/b209598.txt">Table of n, a(n) for n = 1..50</a>

%F a(n) = (n+1) ^ 13 * ((n+1)*(2*n+1)) ^ 9

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 10 2012