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A234495 Number of (n+1)X(5+1) 0..5 arrays with every 2X2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant stress 1X1 tilings) 1
728536, 13868952, 260915944, 5086391644, 96676755176, 1903351845712, 36413811919636, 723978446690964, 13939247152886086, 279988429351662724, 5425396461048839926, 110143792792197237708, 2148004969108734941480 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A234497

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..28

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A252324 A204150 A321495 * A156867 A156868 A238297

Adjacent sequences:  A234492 A234493 A234494 * A234496 A234497 A234498

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 26 2013

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)