A225979 - OEIS

%I #5 Aug 11 2014 22:45:52

%S 26,350,4722,61808,737893,7718077,69784592,546720823,3748375290,

%T 22776885553,124247348589,615678539423,2800456394451,11798875157732,

%U 46405595059222,171524109659874,599254527583339,1988834906193438

%N Number of nX5 binary arrays whose sum with another nX5 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order

%C Column 5 of A225982

%H R. H. Hardin, <a href="/A225979/b225979.txt">Table of n, a(n) for n = 1..58</a>

%H R. H. Hardin, <a href="/A225979/a225979.txt">Empirical polynomial of degree 33</a>

%F Empirical polynomial of degree 33 (see link above)

%e Some solutions for n=3

%e ..0..0..1..1..1....0..0..0..1..0....0..0..1..1..1....1..1..1..1..0

%e ..0..0..0..0..0....1..1..1..1..1....0..0..0..1..1....0..1..1..1..1

%e ..1..0..0..0..0....1..1..0..1..1....1..0..1..1..1....1..1..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ May 22 2013