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A234553 Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings). 1
153752, 1527660, 15022720, 149584336, 1489279544, 14987310200, 150974940800, 1539878118344, 15724391364084, 162989626785516, 1691185964434064, 17867797842219968, 188863261039853220, 2040000891699660908 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..80

EXAMPLE

Some solutions for n=1:

  1 0 4 1 4      1 0 4 3 6      0 4 3 5 5      0 5 6 5 6

  2 4 5 5 5      1 3 4 6 6      1 2 4 3 6      0 2 0 2 6

CROSSREFS

Column 4 of A234555.

Sequence in context: A172789 A248594 A339528 * A073086 A341212 A255040

Adjacent sequences:  A234550 A234551 A234552 * A234554 A234555 A234556

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 28 2013

STATUS

approved

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Last modified August 9 21:08 EDT 2022. Contains 356026 sequences. (Running on oeis4.)