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.

A180855 Square array read by antidiagonals: T(m,n) is the Wiener index of the banana tree B(n,k) (n>=1, k>=2). B(n,k) is the graph obtained by taking n copies of a star graph on k nodes and connecting with an edge one leaf of each of these n stars with an additional node.

Table of values

n a(n)
1 4
2 20
3 10
4 48
5 56
6 18
7 88
8 138
9 108
10 28
11 140
12 256
13 270
14 176
15 40
16 204
17 410
18 504
19 444
20 260
21 54
22 280
23 600
24 810
25 832
26 660
27 360
28 70
29 368
30 826
31 1188
32 1340
33 1240
34 918
35 476
36 88
37 468
38 1088
39 1638
40 1968
41 2000
42 1728
43 1218
44 608
45 108
46 580
47 1386
48 2160
49 2716
50 2940
51 2790
52 2296
53 1560
54 756
55 130

List of values

[4, 20, 10, 48, 56, 18, 88, 138, 108, 28, 140, 256, 270, 176, 40, 204, 410, 504, 444, 260, 54, 280, 600, 810, 832, 660, 360, 70, 368, 826, 1188, 1340, 1240, 918, 476, 88, 468, 1088, 1638, 1968, 2000, 1728, 1218, 608, 108, 580, 1386, 2160, 2716, 2940, 2790, 2296, 1560, 756, 130]