cp's OEIS Frontend

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.

A304158 a(n) is the second Zagreb index of the linear phenylene G[n], defined pictorially in the Darafsheh reference (Fig. 3).

Table of values

n a(n)
1 24
2 84
3 144
4 204
5 264
6 324
7 384
8 444
9 504
10 564
11 624
12 684
13 744
14 804
15 864
16 924
17 984
18 1044
19 1104
20 1164
21 1224
22 1284
23 1344
24 1404
25 1464
26 1524
27 1584
28 1644
29 1704
30 1764
31 1824
32 1884
33 1944
34 2004
35 2064
36 2124
37 2184
38 2244
39 2304
40 2364
41 2424
42 2484
43 2544
44 2604
45 2664
46 2724
47 2784
48 2844
49 2904
50 2964

List of values

[24, 84, 144, 204, 264, 324, 384, 444, 504, 564, 624, 684, 744, 804, 864, 924, 984, 1044, 1104, 1164, 1224, 1284, 1344, 1404, 1464, 1524, 1584, 1644, 1704, 1764, 1824, 1884, 1944, 2004, 2064, 2124, 2184, 2244, 2304, 2364, 2424, 2484, 2544, 2604, 2664, 2724, 2784, 2844, 2904, 2964]