A192025 - cp's OEIS frontend

A192025 The Wiener index of the double-comb graph \/\/\/...\/_\/ with 3n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph.

n	a(n)
1	4
2	29
3	84
4	178
5	320
6	519
7	784
8	1124
9	1548
10	2065
11	2684
12	3414
13	4264
14	5243
15	6360
16	7624
17	9044
18	10629
19	12388
20	14330
21	16464
22	18799
23	21344
24	24108
25	27100
26	30329
27	33804
28	37534
29	41528
30	45795
31	50344
32	55184
33	60324
34	65773
35	71540
36	77634
37	84064
38	90839
39	97968
40	105460

[4, 29, 84, 178, 320, 519, 784, 1124, 1548, 2065, 2684, 3414, 4264, 5243, 6360, 7624, 9044, 10629, 12388, 14330, 16464, 18799, 21344, 24108, 27100, 30329, 33804, 37534, 41528, 45795, 50344, 55184, 60324, 65773, 71540, 77634, 84064, 90839, 97968, 105460]

cp's OEIS Frontend

A192025 The Wiener index of the double-comb graph \/\/\/...\/_\/ with 3n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph.

Table of values

List of values