The On-Line Encyclopedia of Integer Sequences (OEIS)

A258609 revision #4

A258609

Number of (n+2)X(5+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum

46060932, 90782784, 65662350, 42003361, 49848864, 80442961, 140873790, 244766025, 423931910, 720707716, 1218994536, 2017986084, 3322104840, 5349167044, 8565371976, 13422381025, 20921322092, 31951562500, 48551199120

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OFFSET

1,1

COMMENTS

Column 5 of A258612

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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