A204950 - OEIS

A204950

Number of (n+2)X6 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly two different ways, and new values 0..2 introduced in row major order

242852, 4566666, 94983268, 1616210763, 33301704234, 691810208216, 13020576504578, 263790704809901, 5371358916401630, 104618583626956845, 2101362288613315951, 42349487423534501630, 836505454550051062470

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

OFFSET

1,1

COMMENTS

Column 4 of A204954

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..65

EXAMPLE

Some solutions for n=3

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

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

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