A172736 - OEIS

%I #6 Jul 07 2024 22:38:45

%S 0,2,87,20112,13130451,20592419760,68480747646822,439844417498287872,

%T 5071434436872671368032,98967158653968381405705552,

%U 3114311420263883442781958758440,151767050607668644623432327234864384

%N Number of n X n 0..3 arrays with row sums 5 and column sums 5.

%H R. H. Hardin, <a href="/A172736/b172736.txt">Table of n, a(n) for n=1..35</a>

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 06 2010