A198632 - cp's OEIS frontend

A198632 Triangle version of the array of the number of closed paths of even length on the graph P_n (n vertices, n-1 edges).

n	a(n)
0	1
1	0
2	2
3	0
4	2
5	3
6	0
7	2
8	4
9	4
10	0
11	2
12	8
13	6
14	5
15	0
16	2
17	16
18	14
19	8
20	6
21	0
22	2
23	32
24	36
25	20
26	10
27	7
28	0
29	2
30	64
31	94
32	56
33	26
34	12
35	8
36	0
37	2
38	128
39	246
40	164
41	76
42	32
43	14
44	9
45	0
46	2
47	256
48	644
49	488
50	234
51	96
52	38
53	16
54	10
55	0
56	2
57	512
58	1686
59	1460
60	740
61	304
62	116
63	44
64	18
65	11
66	0
67	2
68	1024
69	4414
70	4376
71	2372
72	992
73	374
74	136
75	50
76	20
77	12
78	0
79	2
80	2048
81	11556
82	13124
83	7654
84	3296
85	1244
86	444
87	156
88	56
89	22
90	13

[1, 0, 2, 0, 2, 3, 0, 2, 4, 4, 0, 2, 8, 6, 5, 0, 2, 16, 14, 8, 6, 0, 2, 32, 36, 20, 10, 7, 0, 2, 64, 94, 56, 26, 12, 8, 0, 2, 128, 246, 164, 76, 32, 14, 9, 0, 2, 256, 644, 488, 234, 96, 38, 16, 10, 0, 2, 512, 1686, 1460, 740, 304, 116, 44, 18, 11, 0, 2, 1024, 4414, 4376, 2372, 992, 374, 136, 50, 20, 12, 0, 2, 2048, 11556, 13124, 7654, 3296, 1244, 444, 156, 56, 22, 13]

cp's OEIS Frontend

A198632 Triangle version of the array of the number of closed paths of even length on the graph P_n (n vertices, n-1 edges).

Table of values

List of values