A180569 - cp's OEIS frontend

A180569 The Wiener index of the P_3 X P_n grid, where P_m is the path graph on m nodes. The Wiener index of a connected graph is the sum of distances between all unordered pairs of nodes in the graph.

n	a(n)
1	4
2	25
3	72
4	154
5	280
6	459
7	700
8	1012
9	1404
10	1885
11	2464
12	3150
13	3952
14	4879
15	5940
16	7144
17	8500
18	10017
19	11704
20	13570
21	15624
22	17875
23	20332
24	23004
25	25900
26	29029
27	32400
28	36022
29	39904
30	44055
31	48484
32	53200
33	58212
34	63529
35	69160
36	75114
37	81400
38	88027
39	95004

[4, 25, 72, 154, 280, 459, 700, 1012, 1404, 1885, 2464, 3150, 3952, 4879, 5940, 7144, 8500, 10017, 11704, 13570, 15624, 17875, 20332, 23004, 25900, 29029, 32400, 36022, 39904, 44055, 48484, 53200, 58212, 63529, 69160, 75114, 81400, 88027, 95004]

cp's OEIS Frontend

A180569 The Wiener index of the P_3 X P_n grid, where P_m is the path graph on m nodes. The Wiener index of a connected graph is the sum of distances between all unordered pairs of nodes in the graph.

Table of values

List of values