%I #4 Nov 28 2016 08:18:46
%S 1,117,1972,19750,150085,955347,5355983,27218249,127644118,559023840,
%T 2305566900,9009824325,33520023813,119176965881,406212717567,
%U 1330964850429,4202125841615,12811256626245,37790376053439
%N Number of nX4 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes.
%C Column 4 of A278778.
%H R. H. Hardin, <a href="/A278774/b278774.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A278774/a278774.txt">Empirical polynomial of degree 36</a>
%F Empirical polynomial of degree 36 (see link above)
%e Some solutions for n=4
%e ..1..1..0..0. .0..1..1..0. .0..0..1..0. .0..0..1..0. .1..0..0..0
%e ..1..1..0..0. .1..1..0..1. .1..1..1..0. .0..1..0..1. .1..0..1..1
%e ..0..1..1..1. .0..0..1..0. .1..0..0..1. .1..0..1..1. .1..1..1..1
%e ..1..0..0..0. .0..1..1..1. .1..1..1..0. .1..1..0..0. .1..0..0..0
%Y Cf. A278778.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 28 2016