%I #4 Nov 23 2016 15:13:36
%S 1,16224,5985658,1608427228,371601597959,70116431548595,
%T 10962535851392548,1484609498751465944,180746700125333897094,
%U 20196427927488082918343,2086680362256607056736883
%N Number of nX4 0..3 arrays with rows and columns in lexicographic nondecreasing order but with exactly three mistakes.
%C Column 4 of A278610.
%H R. H. Hardin, <a href="/A278607/b278607.txt">Table of n, a(n) for n = 1..132</a>
%e Some solutions for n=2
%e ..2..1..3..0. .3..1..2..1. .3..2..2..3. .3..3..1..3. .2..2..0..3
%e ..1..3..0..1. .2..3..2..0. .1..3..0..3. .3..1..0..3. .2..1..0..0
%Y Cf. A278610.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 23 2016
|