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.

A370065 Triangle read by rows: T(n,k) is the number of simple graphs on n labeled nodes with k articulation vertices, (0 <= k <= n).

Table of values

n a(n)
0 1
1 1
2 0
3 2
4 0
5 0
6 5
7 3
8 0
9 0
10 24
11 28
12 12
13 0
14 0
15 334
16 390
17 240
18 60
19 0
20 0
21 13262
22 10776
23 6090
24 2280
25 360
26 0
27 0
28 1106862
29 615860
30 255570
31 92820
32 23520
33 2520
34 0
35 0
36 175376048
37 66625504
38 19275424
39 5446560
40 1429680
41 262080
42 20160
43 0
44 0
45 52257938968
46 13210716600
47 2592577512
48 520122456
49 112145040
50 22649760
51 3144960
52 181440
53 0
54 0

List of values

[1, 1, 0, 2, 0, 0, 5, 3, 0, 0, 24, 28, 12, 0, 0, 334, 390, 240, 60, 0, 0, 13262, 10776, 6090, 2280, 360, 0, 0, 1106862, 615860, 255570, 92820, 23520, 2520, 0, 0, 175376048, 66625504, 19275424, 5446560, 1429680, 262080, 20160, 0, 0, 52257938968, 13210716600, 2592577512, 520122456, 112145040, 22649760, 3144960, 181440, 0, 0]