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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A193393 Wiener index of a benzenoid consisting of a zig-zag chain of n hexagons (s=13; see the Gutman et al. reference).

Table of values

n a(n)
1 27
2 109
3 271
4 545
5 963
6 1557
7 2359
8 3401
9 4715
10 6333
11 8287
12 10609
13 13331
14 16485
15 20103
16 24217
17 28859
18 34061
19 39855
20 46273
21 53347
22 61109
23 69591
24 78825
25 88843
26 99677
27 111359
28 123921
29 137395
30 151813
31 167207
32 183609
33 201051
34 219565
35 239183
36 259937
37 281859
38 304981
39 329335
40 354953

List of values

[27, 109, 271, 545, 963, 1557, 2359, 3401, 4715, 6333, 8287, 10609, 13331, 16485, 20103, 24217, 28859, 34061, 39855, 46273, 53347, 61109, 69591, 78825, 88843, 99677, 111359, 123921, 137395, 151813, 167207, 183609, 201051, 219565, 239183, 259937, 281859, 304981, 329335, 354953]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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