A251525 - OEIS

A251525

Number of ways to place any number of black and any number of white nonattacking knights on an (n+2) X (n+2) board.

3465, 546525, 463425639, 1212903660581, 11726484486571601

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

OFFSET

1,1

COMMENTS

Diagonal of A251531.

LINKS

EXAMPLE

Some solutions for n=1:

0 0 2 2 2 2 0 2 2 0 0 1 2 1 0 0 0 0 0 0 0

0 1 1 2 2 0 2 2 1 0 0 0 0 1 0 1 2 0 0 1 0

0 2 0 2 2 2 0 2 0 2 1 0 0 2 1 0 2 1 0 1 2

CROSSREFS

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Dec 04 2014

STATUS

approved