A209895 - OEIS

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A209895

Number of (n+1)X7 0..2 arrays with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order

18464, 1293568, 97195728, 7597233712, 602072007808, 48053885453696, 3846901518589376, 308412624303464672, 24742329866927987152, 1985576485098483414896, 159366143592030604947408

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

OFFSET

1,1

COMMENTS

Column 6 of A209897

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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