A378336 - cp's OEIS frontend

A378336 Triangle read by rows: T(n,k) is the number of n node connected sensed planar maps with an external face and k triangular internal faces, n >= 3, 1 <= k <= 2*n - 5.

n	a(n)
3	1
4	0
5	1
6	1
7	0
8	1
9	1
10	2
11	1
12	0
13	0
14	2
15	5
16	5
17	6
18	5
19	0
20	0
21	2
22	8
23	13
24	20
25	21
26	26
27	24
28	0
29	0
30	0
31	10
32	28
33	55
34	79
35	104
36	119
37	147
38	133
39	0
40	0
41	0
42	7
43	45
44	126
45	230
46	360
47	491
48	625
49	735
50	892
51	846
52	0
53	0
54	0
55	0
56	44
57	227
58	561
59	1066
60	1682
61	2430
62	3241
63	4074
64	4830
65	5876
66	5661

[1, 0, 1, 1, 0, 1, 1, 2, 1, 0, 0, 2, 5, 5, 6, 5, 0, 0, 2, 8, 13, 20, 21, 26, 24, 0, 0, 0, 10, 28, 55, 79, 104, 119, 147, 133, 0, 0, 0, 7, 45, 126, 230, 360, 491, 625, 735, 892, 846, 0, 0, 0, 0, 44, 227, 561, 1066, 1682, 2430, 3241, 4074, 4830, 5876, 5661]

cp's OEIS Frontend

A378336 Triangle read by rows: T(n,k) is the number of n node connected sensed planar maps with an external face and k triangular internal faces, n >= 3, 1 <= k <= 2*n - 5.

Table of values

List of values