A234553 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

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).

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