The On-Line Encyclopedia of Integer Sequences (OEIS)

A257384 revision #4

A257384

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

349003536, 5413133476, 38404362240, 188932792896, 1137602635980, 11412302804100, 138013711391664, 1648856819029924, 19882370563708992, 251525584333213696, 3131622037210419536, 36423947898049945744

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OFFSET

1,1

COMMENTS

Column 5 of A257385

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A257385

Sequence in context: A351459 A358705 A015381 * A186628 A032757 A288273

Adjacent sequences: A257381 A257382 A257383 * A257385 A257386 A257387

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 21 2015

STATUS

approved