A185496 - OEIS

A185496

Number of (n+1)X9 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum

11828, 3480976, 504455124, 85864759616, 14183811777874, 2389300393136984

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

OFFSET

1,1

COMMENTS

Column 8 of A185497

LINKS

EXAMPLE

Some solutions for 4X9

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

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

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

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

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved