login
A195897
Number of ways to place a queen, a rook, a bishop, a knight and a king on an n X n chessboard such that each piece attacks the same number of unoccupied spaces.
1
28, 39, 90, 63, 64, 197, 15, 7, 5, 1
OFFSET
4,1
EXAMPLE
There are 64 ways to place 5 different chess pieces on an 8 X 8 chessboard with the above condition.
An example for a 4 X 4 board is
...Q
..NK
B...
R...
CROSSREFS
Sequence in context: A204822 A179166 A034964 * A109798 A216594 A324858
KEYWORD
fini,full,nonn
AUTHOR
Kausthub Gudipati, Sep 25 2011
STATUS
approved