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A234457 Number of (n+1)X(6+1) 0..5 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant stress 1X1 tilings) 0
16026240, 1246417268, 108833647220, 10112283614188, 968883628673536, 94562060782336540, 9313238635318242880, 923173430231908792924, 91746122270765342416988 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A234458

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

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

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Last modified November 13 15:41 EST 2019. Contains 329106 sequences. (Running on oeis4.)