A060533 - cp's OEIS frontend

A060533 Number of homeomorphically irreducible multigraphs (or series-reduced multigraphs or multigraphs without nodes of degree 2) on 3 labeled nodes.

n	a(n)
0	1
1	3
2	0
3	3
4	9
5	12
6	19
7	27
8	36
9	46
10	57
11	69
12	82
13	96
14	111
15	127
16	144
17	162
18	181
19	201
20	222
21	244
22	267
23	291
24	316
25	342
26	369
27	397
28	426
29	456
30	487
31	519
32	552
33	586
34	621
35	657
36	694
37	732
38	771
39	811
40	852
41	894
42	937
43	981
44	1026
45	1072
46	1119
47	1167
48	1216
49	1266
50	1317
51	1369
52	1422

[1, 3, 0, 3, 9, 12, 19, 27, 36, 46, 57, 69, 82, 96, 111, 127, 144, 162, 181, 201, 222, 244, 267, 291, 316, 342, 369, 397, 426, 456, 487, 519, 552, 586, 621, 657, 694, 732, 771, 811, 852, 894, 937, 981, 1026, 1072, 1119, 1167, 1216, 1266, 1317, 1369, 1422]

cp's OEIS Frontend

A060533 Number of homeomorphically irreducible multigraphs (or series-reduced multigraphs or multigraphs without nodes of degree 2) on 3 labeled nodes.

Table of values

List of values