A212438 - cp's OEIS frontend

A212438 Irregular triangle read by rows: T(n,k) is the number of polyhedra with n faces and k vertices (n >= 4, k=4..2n-4).

n	a(n)
4	1
5	0
6	1
7	1
8	0
9	1
10	2
11	2
12	2
13	0
14	0
15	2
16	8
17	11
18	8
19	5
20	0
21	0
22	2
23	11
24	42
25	74
26	76
27	38
28	14
29	0
30	0
31	0
32	8
33	74
34	296
35	633
36	768
37	558
38	219
39	50
40	0
41	0
42	0
43	5
44	76
45	633
46	2635
47	6134
48	8822
49	7916
50	4442
51	1404
52	233
53	0
54	0
55	0
56	0
57	38
58	768
59	6134
60	25626
61	64439
62	104213
63	112082
64	79773
65	36528
66	9714
67	1249

[1, 0, 1, 1, 0, 1, 2, 2, 2, 0, 0, 2, 8, 11, 8, 5, 0, 0, 2, 11, 42, 74, 76, 38, 14, 0, 0, 0, 8, 74, 296, 633, 768, 558, 219, 50, 0, 0, 0, 5, 76, 633, 2635, 6134, 8822, 7916, 4442, 1404, 233, 0, 0, 0, 0, 38, 768, 6134, 25626, 64439, 104213, 112082, 79773, 36528, 9714, 1249]

cp's OEIS Frontend

A212438 Irregular triangle read by rows: T(n,k) is the number of polyhedra with n faces and k vertices (n >= 4, k=4..2n-4).

Table of values

List of values