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Revision History for A257432

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Number of (7+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
(history; published version)

#6 by Wesley Ivan Hurt at Sun Apr 17 21:41:44 EDT 2022

STATUS

editing

approved

#5 by Wesley Ivan Hurt at Sun Apr 17 21:41:34 EDT 2022

NAME

Number of (7+2) X (n+2) 0..1 arrays with every 3X3 3 X 3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

COMMENTS

Row 7 of A257426.

CROSSREFS

Cf. A257426.

STATUS

approved

editing

#4 by R. H. Hardin at Wed Apr 22 10:45:49 EDT 2015

STATUS

editing

approved

#3 by R. H. Hardin at Wed Apr 22 10:45:46 EDT 2015

LINKS

R. H. Hardin, <a href="/A257432/b257432.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Wed Apr 22 10:45:33 EDT 2015

NAME

allocated for R. H. Hardin

Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

DATA

1700100, 4098078, 11883298, 36058660, 96141548, 317271378, 1037269100, 3132168159, 9367464149, 27528765545, 76077345023, 212817553945, 593399397630, 1641266694259, 4530230346513, 12467703705109, 34164329699230

OFFSET

1,1

COMMENTS

Row 7 of A257426

EXAMPLE

Some solutions for n=1

..0..0..0....0..0..0....1..0..0....0..0..0....1..0..0....0..0..0....0..0..0

..1..0..0....1..0..1....1..0..0....0..0..0....1..0..0....1..0..1....0..0..0

..0..0..1....0..0..1....0..0..0....0..0..0....0..0..0....0..0..1....0..0..0

..1..0..0....0..1..0....0..1..0....0..0..0....0..0..0....0..0..0....1..0..1

..0..0..1....0..0..0....0..1..0....0..0..0....1..1..1....0..1..1....0..0..1

..1..1..1....1..1..1....1..0..0....1..0..0....0..0..0....1..1..1....1..0..0

..1..0..0....0..0..0....1..0..1....1..0..0....1..0..0....1..0..0....1..1..1

..0..1..1....0..1..1....0..0..0....0..1..1....1..1..1....1..0..1....1..1..1

..1..0..0....0..1..1....1..0..1....0..1..0....0..0..0....0..1..1....1..1..1

CROSSREFS

Cf. A257426

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Apr 22 2015

STATUS

approved

editing

#1 by R. H. Hardin at Wed Apr 22 10:35:01 EDT 2015

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved