A100898 - cp's OEIS frontend

A100898 Triangle read by rows: T(n,k) is the number of k-matchings of the fan graph on n+1 vertices (i.e., the join of the path graph on n vertices with one extra vertex).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	5
7	2
8	1
9	7
10	7
11	1
12	9
13	15
14	3
15	1
16	11
17	26
18	13
19	1
20	13
21	40
22	34
23	4
24	1
25	15
26	57
27	70
28	21
29	1
30	17
31	77
32	125
33	65
34	5
35	1
36	19
37	100
38	203
39	155
40	31
41	1
42	21
43	126
44	308
45	315
46	111
47	6
48	1
49	23
50	155
51	444
52	574
53	301
54	43
55	1
56	25
57	187
58	615
59	966
60	686
61	175
62	7
63	1
64	27
65	222
66	825
67	1530
68	1386
69	532
70	57

[1, 1, 1, 1, 3, 1, 5, 2, 1, 7, 7, 1, 9, 15, 3, 1, 11, 26, 13, 1, 13, 40, 34, 4, 1, 15, 57, 70, 21, 1, 17, 77, 125, 65, 5, 1, 19, 100, 203, 155, 31, 1, 21, 126, 308, 315, 111, 6, 1, 23, 155, 444, 574, 301, 43, 1, 25, 187, 615, 966, 686, 175, 7, 1, 27, 222, 825, 1530, 1386, 532, 57]

cp's OEIS Frontend

A100898 Triangle read by rows: T(n,k) is the number of k-matchings of the fan graph on n+1 vertices (i.e., the join of the path graph on n vertices with one extra vertex).

Table of values

List of values