A180144 - cp's OEIS frontend

A180144 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 - 2x^2)/(1 - 4x + x^2 + 2*x^3).

n	a(n)
0	1
1	4
2	13
3	46
4	163
5	580
6	2065
7	7354
8	26191
9	93280
10	332221
11	1183222
12	4214107
13	15008764
14	53454505
15	190381042
16	678052135
17	2414918488
18	8600859733
19	30632416174
20	109098967987
21	388561736308
22	1383883144897
23	4928772907306

[1, 4, 13, 46, 163, 580, 2065, 7354, 26191, 93280, 332221, 1183222, 4214107, 15008764, 53454505, 190381042, 678052135, 2414918488, 8600859733, 30632416174, 109098967987, 388561736308, 1383883144897, 4928772907306]

cp's OEIS Frontend

A180144 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 - 2x^2)/(1 - 4x + x^2 + 2*x^3).

Table of values

List of values

cp's OEIS Frontend

A180144 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 - 2*x^2)/(1 - 4*x + x^2 + 2*x^3).

Table of values

List of values

A180144 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 - 2x^2)/(1 - 4x + x^2 + 2*x^3).