A180140 - cp's OEIS frontend

A180140 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1+x+x^2)/(1-3x-5x^2).

n	a(n)
0	1
1	4
2	18
3	74
4	312
5	1306
6	5478
7	22964
8	96282
9	403666
10	1692408
11	7095554
12	29748702
13	124723876
14	522915138
15	2192364794
16	9191670072
17	38536834186
18	161568852918
19	677390729684
20	2840016453642
21	11907003009346
22	49921091296248

[1, 4, 18, 74, 312, 1306, 5478, 22964, 96282, 403666, 1692408, 7095554, 29748702, 124723876, 522915138, 2192364794, 9191670072, 38536834186, 161568852918, 677390729684, 2840016453642, 11907003009346, 49921091296248]

cp's OEIS Frontend

A180140 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1+x+x^2)/(1-3x-5x^2).

Table of values

List of values

cp's OEIS Frontend

A180140 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1+x+x^2)/(1-3*x-5*x^2).

Table of values

List of values

A180140 Eight rooks and one berserker on a 3 X 3 chessboard. G.f.: (1+x+x^2)/(1-3x-5x^2).