A252678 - OEIS

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.

3654, 10933, 42376, 147462, 722737, 2879551, 10457376, 51419273, 205046275, 746995324, 3673397944, 14669046377, 53468954588, 262743913893, 1050205375254, 3829514694020, 18804575963835, 75225508336924, 274407640324926

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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