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A252678 Number of (n+2)X(7+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7 1
3654, 10933, 42376, 147462, 722737, 2879551, 10457376, 51419273, 205046275, 746995324, 3673397944, 14669046377, 53468954588, 262743913893, 1050205375254, 3829514694020, 18804575963835, 75225508336924, 274407640324926 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A252679

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

..1..1..0..1..1..0..1..1..0....3..1..1..0..1..1..0..1..1

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

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

..1..1..3..1..1..0..1..1..3....0..1..1..3..1..1..3..1..1

CROSSREFS

Sequence in context: A252086 A212852 A183781 * A307937 A190923 A255088

Adjacent sequences:  A252675 A252676 A252677 * A252679 A252680 A252681

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 20 2014

STATUS

approved

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Last modified October 20 22:22 EDT 2021. Contains 348119 sequences. (Running on oeis4.)