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.

A322147 Regular triangle read by rows where T(n,k) is the number of labeled connected graphs with loops with n edges and k vertices, 1 <= k <= n+1.

Table of values

n a(n)
0 1
1 1
2 1
3 0
4 2
5 3
6 0
7 1
8 10
9 16
10 0
11 0
12 12
13 79
14 125
15 0
16 0
17 6
18 162
19 847
20 1296
21 0
22 0
23 1
24 179
25 2565
26 11436
27 16807
28 0
29 0
30 0
31 116
32 4615
33 47100
34 185944
35 262144
36 0
37 0
38 0
39 45
40 5540
41 121185
42 987567
43 3533720
44 4782969
45 0
46 0
47 0
48 10
49 4720
50 220075
51 3376450
52 23315936
53 76826061
54 100000000

List of values

[1, 1, 1, 0, 2, 3, 0, 1, 10, 16, 0, 0, 12, 79, 125, 0, 0, 6, 162, 847, 1296, 0, 0, 1, 179, 2565, 11436, 16807, 0, 0, 0, 116, 4615, 47100, 185944, 262144, 0, 0, 0, 45, 5540, 121185, 987567, 3533720, 4782969, 0, 0, 0, 10, 4720, 220075, 3376450, 23315936, 76826061, 100000000]