A257268 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A257268

Number of (n+2)X(3+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum

1257600, 29746116, 358153488, 4497848356, 39749497116, 360292859536, 2681201402880, 20280611560000, 136546079823132, 928066750499344, 5889856685235160, 37580052583485504, 230454199018052812

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

OFFSET

1,1

COMMENTS

Column 3 of A257270

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..47

EXAMPLE

Some solutions for n=1

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

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

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