A058716 - cp's OEIS frontend

A058716 Triangle T(n,k) giving number of nonisomorphic loopless matroids of rank k on n labeled points (n >= 0, 0 <= k <= n).

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	3
14	1
15	0
16	1
17	6
18	9
19	4
20	1
21	0
22	1
23	10
24	25
25	18
26	5
27	1
28	0
29	1
30	14
31	70
32	85
33	31
34	6
35	1
36	0
37	1
38	21
39	217
40	832
41	288
42	51
43	7
44	1

[1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 4, 3, 1, 0, 1, 6, 9, 4, 1, 0, 1, 10, 25, 18, 5, 1, 0, 1, 14, 70, 85, 31, 6, 1, 0, 1, 21, 217, 832, 288, 51, 7, 1]

cp's OEIS Frontend

A058716 Triangle T(n,k) giving number of nonisomorphic loopless matroids of rank k on n labeled points (n >= 0, 0 <= k <= n).

Table of values

List of values

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	3
14	1
15	0
16	1
17	6
18	9
19	4
20	1
21	0
22	1
23	10
24	25
25	18
26	5
27	1
28	0
29	1
30	14
31	70
32	85
33	31
34	6
35	1
36	0
37	1
38	21
39	217
40	832
41	288
42	51
43	7
44	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	3
14	1
15	0
16	1
17	6
18	9
19	4
20	1
21	0
22	1
23	10
24	25
25	18
26	5
27	1
28	0
29	1
30	14
31	70
32	85
33	31
34	6
35	1
36	0
37	1
38	21
39	217
40	832
41	288
42	51
43	7
44	1

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	2
9	1
10	0
11	1
12	4
13	3
14	1
15	0
16	1
17	6
18	9
19	4
20	1
21	0
22	1
23	10
24	25
25	18
26	5
27	1
28	0
29	1
30	14
31	70
32	85
33	31
34	6
35	1
36	0
37	1
38	21
39	217
40	832
41	288
42	51
43	7
44	1