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A234454 Number of (n+1) X (3+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings). 1
21344, 427956, 9249432, 207310120, 4726887280, 108833647220, 2516987045248, 58398272232836, 1356332197407768, 31546244050128332, 733745025666040408, 17081749645650678160, 397559951529941797856, 9259739427069345664228 (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=1:

5 4 2 3 4 2 5 3 0 1 1 0 5 0 3 0 2 4 5 2

5 5 2 2 4 1 5 2 1 3 2 0 5 1 5 1 0 3 3 1

CROSSREFS

Column 3 of A234458.

Sequence in context: A253980 A349508 A250532 * A319017 A286635 A324259

Adjacent sequences: A234451 A234452 A234453 * A234455 A234456 A234457

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 2013

STATUS

approved

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Last modified February 5 15:20 EST 2023. Contains 360086 sequences. (Running on oeis4.)