%I #7 May 09 2020 21:19:39

%S 1,393,35617,7343449,1509893001,360255871641,91358224634433,

%T 24567498558526617,6887820148172502169,1998635481349606292593,

%U 596268326872362183077193,182062424087215419645579529

%N Number of n X 7 0..2 arrays with row sums 7 and column sums n.

%H R. H. Hardin, <a href="/A172636/b172636.txt">Table of n, a(n) for n=1..47</a>

%Y Column k=7 of A334549.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 06 2010