A234440 - OEIS

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A234440

Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).

6272, 66228, 666880, 7165920, 72539432, 790261148, 8028682984, 88710949848, 904037477472, 10133236760728, 103526333639528, 1177176079902156, 12050136543826616, 138970750405944768, 1424578896164786720

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2:

2 1 2 1 1 1 1 1 1 0 0 0 1 2 2 1 2 2 2 1 0 0 2 0

2 2 2 2 1 2 0 1 0 0 1 2 0 0 1 1 1 0 1 1 1 0 1 0

1 2 1 2 0 0 1 1 1 0 0 2 1 0 0 1 2 2 2 1 0 0 2 2

CROSSREFS

Column 5 of A234443.