A102079 - cp's OEIS frontend

A102079 Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P_2 graph (C_n is the cycle graph on n vertices and P_2 is the path graph on 2 vertices).

n	a(n)
2	1
3	6
4	5
5	1
6	9
7	18
8	4
9	1
10	12
11	42
12	44
13	9
14	1
15	15
16	75
17	145
18	95
19	11
20	1
21	18
22	117
23	336
24	420
25	192
26	20
27	1
28	21
29	168
30	644
31	1225
32	1085
33	371
34	29
35	1
36	24
37	228
38	1096
39	2834
40	3880
41	2588
42	696
43	49
44	1
45	27
46	297
47	1719
48	5652
49	10656
50	11097
51	5823
52	1278
53	76
54	1
55	30
56	375
57	2540
58	10165
59	24626
60	35645
61	29380
62	12535
63	2310
64	125

[1, 6, 5, 1, 9, 18, 4, 1, 12, 42, 44, 9, 1, 15, 75, 145, 95, 11, 1, 18, 117, 336, 420, 192, 20, 1, 21, 168, 644, 1225, 1085, 371, 29, 1, 24, 228, 1096, 2834, 3880, 2588, 696, 49, 1, 27, 297, 1719, 5652, 10656, 11097, 5823, 1278, 76, 1, 30, 375, 2540, 10165, 24626, 35645, 29380, 12535, 2310, 125]

cp's OEIS Frontend

A102079 Triangle read by rows: T(n,k) is the number of k-matchings in the C_n X P_2 graph (C_n is the cycle graph on n vertices and P_2 is the path graph on 2 vertices).

Table of values

List of values