A286951 - cp's OEIS frontend

A286951 Irregular triangle read by rows: T(n,k) is the number of simple graphs with n vertices with matching number k (0 <= k <= floor(n/2)).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	3
6	1
7	4
8	6
9	1
10	5
11	28
12	1
13	6
14	48
15	101
16	1
17	7
18	73
19	963
20	1
21	8
22	106
23	1818
24	10413
25	1
26	9
27	147
28	3383
29	271128
30	1
31	10
32	198
33	6129
34	441031
35	11557799

[1, 1, 1, 1, 1, 3, 1, 4, 6, 1, 5, 28, 1, 6, 48, 101, 1, 7, 73, 963, 1, 8, 106, 1818, 10413, 1, 9, 147, 3383, 271128, 1, 10, 198, 6129, 441031, 11557799]

cp's OEIS Frontend

A286951 Irregular triangle read by rows: T(n,k) is the number of simple graphs with n vertices with matching number k (0 <= k <= floor(n/2)).

Table of values

List of values