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A252472 Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 5 6 or 8 1
17061, 24331, 213791, 1741406, 14105131, 115183323, 937980722, 7634089567, 62282795777, 507708323820, 4135550418695, 33696297343259, 274629581667470, 2238121992115275, 18238035152919778, 148617809035821934 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A252473

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

..3..3..3..3..3..3..3..1..3....3..3..3..3..1..3..3..3..1

..3..3..3..3..1..3..3..3..3....3..3..1..3..3..3..1..3..3

..1..3..3..3..3..3..3..3..1....3..3..3..3..3..3..3..3..3

..3..3..3..1..3..3..3..3..3....3..3..3..1..3..3..3..3..3

CROSSREFS

Sequence in context: A252647 A332100 A252129 * A233618 A233619 A233611

Adjacent sequences:  A252469 A252470 A252471 * A252473 A252474 A252475

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 17 2014

STATUS

approved

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Last modified July 1 07:17 EDT 2022. Contains 354952 sequences. (Running on oeis4.)