A180141 - cp's OEIS frontend

A180141 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 + x - 2x^2)/(1 - 3x - 6*x^2).

n	a(n)
0	1
1	4
2	16
3	72
4	312
5	1368
6	5976
7	26136
8	114264
9	499608
10	2184408
11	9550872
12	41759064
13	182582424
14	798301656
15	3490399512
16	15261008472
17	66725422488
18	291742318296
19	1275579489816
20	5577192379224
21	24385054076568
22	106618316505048

[1, 4, 16, 72, 312, 1368, 5976, 26136, 114264, 499608, 2184408, 9550872, 41759064, 182582424, 798301656, 3490399512, 15261008472, 66725422488, 291742318296, 1275579489816, 5577192379224, 24385054076568, 106618316505048]

cp's OEIS Frontend

A180141 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 + x - 2x^2)/(1 - 3x - 6*x^2).

Table of values

List of values

cp's OEIS Frontend

A180141 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 + x - 2*x^2)/(1 - 3*x - 6*x^2).

Table of values

List of values

A180141 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1 + x - 2x^2)/(1 - 3x - 6*x^2).