A124003 - cp's OEIS frontend

A124003 Triangle T(n,k) of the number of unlabeled graphs on n nodes with universal reconstruction number k, 3<=k<=n. URN(G) is the minimum size for which all multisubsets of vertex-deleted subgraphs of G can uniquely reconstruct G up to isomorphism.

n	a(n)
3	3
4	2
5	9
6	7
7	19
8	8
9	8
10	56
11	90
12	2
13	16
14	496
15	520
16	12
17	0
18	266
19	8308
20	3584
21	284
22	4
23	0
24	45186
25	199247
26	28781
27	1434
28	20
29	0
30	0
31	6054148
32	5637886
33	301530
34	10686
35	914
36	4
37	0
38	0

[3, 2, 9, 7, 19, 8, 8, 56, 90, 2, 16, 496, 520, 12, 0, 266, 8308, 3584, 284, 4, 0, 45186, 199247, 28781, 1434, 20, 0, 0, 6054148, 5637886, 301530, 10686, 914, 4, 0, 0]

cp's OEIS Frontend

A124003 Triangle T(n,k) of the number of unlabeled graphs on n nodes with universal reconstruction number k, 3<=k<=n. URN(G) is the minimum size for which all multisubsets of vertex-deleted subgraphs of G can uniquely reconstruct G up to isomorphism.

Table of values

List of values