A234457 - OEIS

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A234457

Number of (n+1) X (6+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).

16026240, 1246417268, 108833647220, 10112283614188, 968883628673536, 94562060782336540, 9313238635318242880, 923173430231908792924, 91746122270765342416988

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=1:

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

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

CROSSREFS

Column 6 of A234458.

Sequence in context: A058909 A179585 A105650 * A204604 A253716 A216004

Adjacent sequences: A234454 A234455 A234456 * A234458 A234459 A234460

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 2013

STATUS

approved