A337716 - cp's OEIS frontend

A337716 Number of graphs, where vertices are labeled with positive integers summing to n, and where identically labeled vertices are indistinguishable and cannot be connected with an edge.

n	a(n)
0	1
1	1
2	2
3	4
4	8
5	16
6	35
7	77
8	179
9	440
10	1160
11	3264
12	9950
13	33206
14	121943
15	494011
16	2235399
17	11391306
18	65287199
19	422908306
20	3130775625
21	26490210964
22	255257056748
23	2825013955541
24	36147331371446
25	531237157370531
26	8965348473026888

[1, 1, 2, 4, 8, 16, 35, 77, 179, 440, 1160, 3264, 9950, 33206, 121943, 494011, 2235399, 11391306, 65287199, 422908306, 3130775625, 26490210964, 255257056748, 2825013955541, 36147331371446, 531237157370531, 8965348473026888]

cp's OEIS Frontend

A337716 Number of graphs, where vertices are labeled with positive integers summing to n, and where identically labeled vertices are indistinguishable and cannot be connected with an edge.

Table of values

List of values