A035287 - cp's OEIS frontend

A035287 Number of ways to place a non-attacking white and black rook on n X n chessboard.

n	a(n)
1	0
2	4
3	36
4	144
5	400
6	900
7	1764
8	3136
9	5184
10	8100
11	12100
12	17424
13	24336
14	33124
15	44100
16	57600
17	73984
18	93636
19	116964
20	144400
21	176400
22	213444
23	256036
24	304704
25	360000
26	422500
27	492804
28	571536
29	659344
30	756900
31	864900
32	984064
33	1115136
34	1258884

[0, 4, 36, 144, 400, 900, 1764, 3136, 5184, 8100, 12100, 17424, 24336, 33124, 44100, 57600, 73984, 93636, 116964, 144400, 176400, 213444, 256036, 304704, 360000, 422500, 492804, 571536, 659344, 756900, 864900, 984064, 1115136, 1258884]

cp's OEIS Frontend

A035287 Number of ways to place a non-attacking white and black rook on n X n chessboard.

Table of values

List of values