A169772 - cp's OEIS frontend

A169772 Number of open knight's tour diagrams of a 3 X n chessboard that have "type B": the endpoints occur in different columns and disagree in color with the cells in the nearest corner.

n	a(n)
4	2
5	0
6	0
7	0
8	92
9	0
10	1064
11	0
12	14928
13	0
14	156416
15	0
16	1785600
17	0
18	19416704
19	0
20	211014544
21	0
22	2261999424
23	0
24	24067157192
25	0
26	254242274472
27	0
28	2669251156032
29	0
30	27880294589248

[2, 0, 0, 0, 92, 0, 1064, 0, 14928, 0, 156416, 0, 1785600, 0, 19416704, 0, 211014544, 0, 2261999424, 0, 24067157192, 0, 254242274472, 0, 2669251156032, 0, 27880294589248]

cp's OEIS Frontend

A169772 Number of open knight's tour diagrams of a 3 X n chessboard that have "type B": the endpoints occur in different columns and disagree in color with the cells in the nearest corner.

Table of values

List of values