A172961 - OEIS

%I #8 Apr 18 2020 22:26:58

%S 1,3139,19546975,171475190227,1846780916614531,22800663583664571781,

%T 310323674631037864285609,4543765474410728783088589075,

%U 70417932475495769964322670258947,1142003787585101049672484911221507209

%N Number of n X 9 0..9 arrays with row sums 9 and column sums n.

%H R. H. Hardin, <a href="/A172961/b172961.txt">Table of n, a(n) for n=1..24</a>

%Y Column k=9 of A333901.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 06 2010