A198015 - cp's OEIS frontend

A198015 Number of isomorphism classes of nanocones with 4 pentagons and a symmetric boundary of length n.

n	a(n)
2	1
3	4
4	16
5	37
6	89
7	175
8	336
9	579
10	975
11	1533
12	2363
13	3477
14	5030
15	7040
16	9716
17	13078
18	17400
19	22707
20	29342
21	37336
22	47112
23	58705
24	72627
25	88918
26	108185
27	130476
28	156502
29	186315
30	220741
31	259839
32	304554
33	354953
34	412111
35	476101
36	548137
37	628299
38	717946
39	817168
40	927478

[1, 4, 16, 37, 89, 175, 336, 579, 975, 1533, 2363, 3477, 5030, 7040, 9716, 13078, 17400, 22707, 29342, 37336, 47112, 58705, 72627, 88918, 108185, 130476, 156502, 186315, 220741, 259839, 304554, 354953, 412111, 476101, 548137, 628299, 717946, 817168, 927478]

cp's OEIS Frontend

A198015 Number of isomorphism classes of nanocones with 4 pentagons and a symmetric boundary of length n.

Table of values

List of values