A172689 - OEIS

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

%S 1,8953,10060071021,293631119403639732,100139724386322263262579960,

%T 245885257930209910994050195049583660,

%U 3140955188547844588635579044406639849274718880

%N Number of 5*n X n 0..2 arrays with row sums 2 and column sums 10

%H R. H. Hardin, <a href="/A172689/b172689.txt">Table of n, a(n) for n=1..19</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010