A187299 - cp's OEIS frontend

A187299 Number of 4-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.

n	a(n)
1	0
2	0
3	54
4	196
5	480
6	876
7	1398
8	2036
9	2790
10	3660
11	4646
12	5748
13	6966
14	8300
15	9750
16	11316
17	12998
18	14796
19	16710
20	18740
21	20886
22	23148
23	25526
24	28020
25	30630
26	33356
27	36198
28	39156
29	42230
30	45420
31	48726
32	52148
33	55686
34	59340
35	63110
36	66996
37	70998
38	75116
39	79350
40	83700

[0, 0, 54, 196, 480, 876, 1398, 2036, 2790, 3660, 4646, 5748, 6966, 8300, 9750, 11316, 12998, 14796, 16710, 18740, 20886, 23148, 25526, 28020, 30630, 33356, 36198, 39156, 42230, 45420, 48726, 52148, 55686, 59340, 63110, 66996, 70998, 75116, 79350, 83700]

cp's OEIS Frontend

A187299 Number of 4-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.

Table of values

List of values