A180028 - cp's OEIS frontend

A180028 Eight white queens and one red queen on a 3 X 3 chessboard. G.f.: (1 + 3x)/(1 - 6x - 3*x^2).

n	a(n)
0	1
1	9
2	57
3	369
4	2385
5	15417
6	99657
7	644193
8	4164129
9	26917353
10	173996505
11	1124731089
12	7270376049
13	46996449561
14	303789825513
15	1963728301761
16	12693739287105
17	82053620627913
18	530402941628793
19	3428578511656497

[1, 9, 57, 369, 2385, 15417, 99657, 644193, 4164129, 26917353, 173996505, 1124731089, 7270376049, 46996449561, 303789825513, 1963728301761, 12693739287105, 82053620627913, 530402941628793, 3428578511656497]

cp's OEIS Frontend

A180028 Eight white queens and one red queen on a 3 X 3 chessboard. G.f.: (1 + 3x)/(1 - 6x - 3*x^2).

Table of values

List of values

cp's OEIS Frontend

A180028 Eight white queens and one red queen on a 3 X 3 chessboard. G.f.: (1 + 3*x)/(1 - 6*x - 3*x^2).

Table of values

List of values

A180028 Eight white queens and one red queen on a 3 X 3 chessboard. G.f.: (1 + 3x)/(1 - 6x - 3*x^2).