A143368 - cp's OEIS frontend

A143368 Triangle read by rows: T(n,k) is the Wiener index of a k X n grid (i.e., P_k X P_n, where P_m is the path graph on m vertices; 1 <= k <= n).

n	a(n)
1	0
2	1
3	8
4	4
5	25
6	72
7	10
8	56
9	154
10	320
11	20
12	105
13	280
14	570
15	1000
16	35
17	176
18	459
19	920
20	1595
21	2520
22	56
23	273
24	700
25	1386
26	2380
27	3731
28	5488
29	84
30	400
31	1012
32	1984
33	3380
34	5264
35	7700
36	10752
37	120
38	561
39	1404
40	2730
41	4620
42	7155
43	10416
44	14484
45	19440

[0, 1, 8, 4, 25, 72, 10, 56, 154, 320, 20, 105, 280, 570, 1000, 35, 176, 459, 920, 1595, 2520, 56, 273, 700, 1386, 2380, 3731, 5488, 84, 400, 1012, 1984, 3380, 5264, 7700, 10752, 120, 561, 1404, 2730, 4620, 7155, 10416, 14484, 19440]

cp's OEIS Frontend

A143368 Triangle read by rows: T(n,k) is the Wiener index of a k X n grid (i.e., P_k X P_n, where P_m is the path graph on m vertices; 1 <= k <= n).

Table of values

List of values