A192023 - cp's OEIS frontend

A192023 The Wiener index of the comb-shaped graph |||...|_| with 2n (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	1
2	10
3	31
4	68
5	125
6	206
7	315
8	456
9	633
10	850
11	1111
12	1420
13	1781
14	2198
15	2675
16	3216
17	3825
18	4506
19	5263
20	6100
21	7021
22	8030
23	9131
24	10328
25	11625
26	13026
27	14535
28	16156
29	17893
30	19750
31	21731
32	23840
33	26081
34	28458
35	30975
36	33636
37	36445
38	39406
39	42523
40	45800
41	49241
42	52850
43	56631

[1, 10, 31, 68, 125, 206, 315, 456, 633, 850, 1111, 1420, 1781, 2198, 2675, 3216, 3825, 4506, 5263, 6100, 7021, 8030, 9131, 10328, 11625, 13026, 14535, 16156, 17893, 19750, 21731, 23840, 26081, 28458, 30975, 33636, 36445, 39406, 42523, 45800, 49241, 52850, 56631]

cp's OEIS Frontend

A192023 The Wiener index of the comb-shaped graph |||...|_| with 2n (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