A257149 - OEIS

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A257149

Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

1

13504, 96680, 732482, 5449304, 39971674, 295114929, 2183417807, 16144616160, 119387730698, 882890101723, 6529665253371, 48291188396559, 357147674505523, 2641358506805251, 19534786074176850, 144473821838374989

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

OFFSET

1,1

COMMENTS

Column 3 of A257154

LINKS

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

R. H. Hardin, Empirical recurrence of order 79

FORMULA

Empirical recurrence of order 79 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Sequence in context: A029557 A115922 A248444 * A257156 A254738 A342858

Adjacent sequences: A257146 A257147 A257148 * A257150 A257151 A257152

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2015

STATUS

approved