A184070 - OEIS

A184070

Number of (n+1)X9 binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one

160, 529, 5800, 126978, 4136338, 116690636, 2770530466, 52431215293, 815858815795, 10481797492543, 110945811109376, 969268941798697, 7097493179383915, 43883325663965862, 231088111095174435

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

OFFSET

1,1

COMMENTS

Column 8 of A184071

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

EXAMPLE

Some solutions for 3X9

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

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

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