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%I #7 Oct 30 2022 15:47:24
%S 120,142376,581588614,2895890669208,12323643023399737,
%T 42630936592613426327,122233352821430587249163,
%U 298254428253388683225868035,633084498761485396427699934865
%N Number of n X 7 0..3 arrays with rows and columns in nondecreasing order.
%C Column 7 of A184129.
%H R. H. Hardin, <a href="/A184127/b184127.txt">Table of n, a(n) for n = 1..19</a>
%e Some solutions for 3 X 7
%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..1....0..0..0..0..2..2..2
%e ..0..0..0..0..1..2..3....0..0..0..1..2..3..3....0..0..0..2..0..1..3
%e ..0..0..0..0..3..2..3....0..0..2..0..2..2..3....0..0..2..0..1..3..2
%Y Cf. A184129.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 09 2011
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