A172632 - OEIS

%I #4 Mar 31 2012 12:35:40

%S 0,0,0,0,0,0,0,40320,655551508577280,16426290801521822874931152,

%T 682948436592331311886782349445512800,

%U 56889017685903899457289215621889880980797696000

%N Number of n X n 0..2 arrays with row sums 15 and column sums 15

%H R. H. Hardin, <a href="/A172632/b172632.txt">Table of n, a(n) for n=1..13</a>

%K nonn

%O 1,8

%A _R. H. Hardin_ Feb 06 2010