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.

A341743 T(n,k) is the number of labeled Eulerian graphs with n vertices and k edges (according to Harary and Palmer) or the number of labeled connected Eulerian graphs with n vertices and k edges (according to Mallows and Sloane); irregular triangle T, read by rows (n >= 0 and 0 <= k <= n*(n-1)/2).

Table of values

n a(n)
0 0
1 1
2 0
3 0
4 0
5 0
6 0
7 1
8 0
9 0
10 0
11 0
12 3
13 0
14 0
15 0
16 0
17 0
18 0
19 0
20 12
21 15
22 10
23 0
24 0
25 1
26 0
27 0
28 0
29 0
30 0
31 0
32 60
33 180
34 195
35 120
36 90
37 60
38 15
39 0
40 0
41 0
42 0
43 0
44 0
45 0
46 0
47 0
48 0
49 360
50 1890
51 3675
52 4830
53 5061
54 4410
55 3255
56 1935
57 805
58 252
59 105
60 35
61 0
62 0
63 1

List of values

[0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 12, 15, 10, 0, 0, 1, 0, 0, 0, 0, 0, 0, 60, 180, 195, 120, 90, 60, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 360, 1890, 3675, 4830, 5061, 4410, 3255, 1935, 805, 252, 105, 35, 0, 0, 1]