A371264 - cp's OEIS frontend

A371264 Irregular triangle read by rows: T(n,k) is the number of internal vertices in the graph A371254(n) that are created by the crossing of k arcs, with k>=2.

n	a(n)
1	0
2	0
3	0
4	1
5	0
6	5
7	5
8	0
9	0
10	0
11	0
12	1
13	49
14	14
15	48
16	8
17	171
18	27
19	0
20	0
21	0
22	0
23	0
24	1
25	190
26	20
27	484
28	55
29	360
30	12
31	0
32	0
33	12
34	0
35	0
36	0
37	0
38	0
39	1
40	1027
41	91
42	1078
43	70
44	1830
45	120
46	0
47	15
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	0
57	1
58	2000
59	112
60	3052
61	204
62	3114
63	90
64	0
65	0
66	36
67	0
68	0
69	0
70	0
71	0
72	0
73	0
74	0
75	0
76	0
77	0
78	1

[0, 0, 0, 1, 0, 5, 5, 0, 0, 0, 0, 1, 49, 14, 48, 8, 171, 27, 0, 0, 0, 0, 0, 1, 190, 20, 484, 55, 360, 12, 0, 0, 12, 0, 0, 0, 0, 0, 1, 1027, 91, 1078, 70, 1830, 120, 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2000, 112, 3052, 204, 3114, 90, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]

cp's OEIS Frontend

A371264 Irregular triangle read by rows: T(n,k) is the number of internal vertices in the graph A371254(n) that are created by the crossing of k arcs, with k>=2.

Table of values

List of values