A210004 - OEIS

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A210004

Number of (n+1)X(n+1) 0..2 arrays containing all values 0..2 with every 2X2 subblock having two or three distinct values, and new values 0..2 introduced in row major order

6, 2691, 5258039, 82060746485, 10768436781440673, 11907389873495805482147, 110953732239747666903878744871, 8712219181636798038727746238089388961, 5764706550248813633817796270775079062768005961

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

OFFSET

1,1

COMMENTS

Diagonal of A210012

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..11

EXAMPLE

Some solutions for n=4

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

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

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