A256028 - OEIS

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A256028

Number of (n+2)X(7+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 or 1 and no antidiagonal sum 0 or 1 and no row sum 1 and no column sum 1

4086, 27424, 223901, 1736085, 13744343, 111505109, 904174706, 7347151637, 59890010020, 487874115891, 3973213543601, 32378167050225, 263909697253124, 2150815427720611, 17528000535815815, 142850512088398850

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A256029

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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