A216024 - OEIS

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A216024

Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an n X n array with new integer colors introduced in row major order.

1, 2, 4, 371, 146327, 10311562327

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

OFFSET

1,2

COMMENTS

Diagonal of A216031.

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

..x..0..x..1....x..0..x..1....x..0..x..1....x..0..x..1....x..0..x..1

..2..x..3..x....0..x..2..x....2..x..3..x....2..x..3..x....2..x..3..x