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.

A324244 Triangle read by rows: T(n,k) is the number of simple connected graphs on n nodes with k peripheral nodes.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 1
6 1
7 0
8 2
9 2
10 2
11 0
12 5
13 4
14 7
15 5
16 0
17 25
18 20
19 16
20 23
21 28
22 0
23 185
24 146
25 119
26 57
27 123
28 223
29 0
30 2459
31 1728
32 1523
33 948
34 405
35 903
36 3151
37 0
38 58156
39 36109
40 32119
41 24637
42 13927
43 4713
44 11746
45 79673
46 0
47 2617378
48 1446609
49 1304109
50 1026845
51 723871
52 353620
53 110734
54 279535
55 3853870

List of values

[1, 0, 1, 0, 1, 1, 0, 2, 2, 2, 0, 5, 4, 7, 5, 0, 25, 20, 16, 23, 28, 0, 185, 146, 119, 57, 123, 223, 0, 2459, 1728, 1523, 948, 405, 903, 3151, 0, 58156, 36109, 32119, 24637, 13927, 4713, 11746, 79673, 0, 2617378, 1446609, 1304109, 1026845, 723871, 353620, 110734, 279535, 3853870]