A237919 - OEIS

A237919

Number of (n+1) X (5+1) 0..3 arrays with the upper median plus the lower median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.

406468, 12149024, 405401852, 14163256928, 488835819834, 16925434187136, 590192559141494, 20435454685816288, 714496961639809210, 24788891407048570312, 867098385461953895482, 30089142655310004742832

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

OFFSET

1,1

COMMENTS

Column 5 of A237921.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..22

EXAMPLE

Some solutions for n=1:

..0..1..1..2..2..3....0..2..3..1..2..1....0..2..1..1..1..2....0..2..1..1..3..0

..2..2..1..3..0..1....2..3..0..3..0..1....3..3..2..2..0..3....1..1..2..1..2..0

CROSSREFS