A194776 Number of lower triangles of an (n+10) X (n+10) 0..6 array with new values introduced in row major order 0..6 and no element unequal to more than one horizontal or vertical neighbor.
11862, 31466, 85007, 231395, 639325, 1782111, 5029741, 14321783, 41203606, 119499674, 349498634, 1029170664, 3050715488, 9092629968, 27237137985, 81930133845, 247359353107, 749090477957
Offset: 1
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Examples
Some solutions for 11 X 11 including a 6: 0 0 0 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 1 1 2 2 3 2 2 2 2 3 2 2 2 2 2 1 1 2 2 3 3 2 2 2 2 3 3 3 3 3 3 3 3 1 1 2 2 3 3 4 2 2 2 2 3 3 4 3 3 3 3 3 3 4 1 1 2 2 3 3 4 4 2 2 2 2 3 3 4 4 3 3 3 3 3 3 4 4 1 1 2 2 3 3 4 4 5 2 2 2 2 3 3 4 4 5 3 3 3 3 3 3 4 4 5 1 1 2 2 3 3 4 4 5 5 2 2 2 2 3 3 4 4 5 5 3 3 3 3 3 3 4 4 5 5 1 1 2 2 3 3 4 4 5 5 6 2 2 2 2 3 3 4 4 5 5 6 3 3 3 3 3 3 4 4 5 5 6
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