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%I #4 Dec 18 2015 18:18:09
%S 0,0,65,3146,64705,695587,4904333,25825865,109813056,396433235,
%T 1257315972,3589635788,9392825390
%N Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any diagonal or antidiagonal neighbor, and containing the value n(n+1)/2-4
%C Column 3 of A211963
%e Some solutions for n=4
%e ..0........0........0........0........0........0........0........0
%e ..1.2......0.1......1.2......1.2......1.2......1.2......1.2......1.2
%e ..0.3.4....2.3.4....1.3.4....3.4.5....3.4.5....3.3.4....3.4.5....3.4.5
%e ..5.6.7.6..0.5.6.0..5.2.5.6..0.6.6.0..5.6.0.4..5.6.6.1..5.2.1.6..5.0.5.6
%K nonn
%O 1,3
%A _R. H. Hardin_ Apr 26 2012
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