A007150 - cp's OEIS frontend

A007150 2-part of number of tournaments on n nodes.

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	3
8	5
9	4
10	6
11	5
12	7
13	6
14	7
15	7
16	10
17	8
18	9
19	9
20	12
21	10
22	11
23	11
24	14
25	12
26	14
27	13
28	15
29	14
30	17
31	15
32	19
33	16
34	20
35	17
36	19
37	18
38	19
39	19
40	26
41	20
42	22
43	21
44	23
45	22
46	23
47	23
48	30
49	24
50	26
51	25
52	28
53	26
54	27
55	27
56	30
57	28
58	30
59	29
60	33
61	30
62	31
63	31
64	35
65	32
66	34
67	33
68	38
69	34
70	37
71	35
72	38
73	36
74	38
75	37
76	39

[0, 0, 1, 2, 2, 3, 3, 5, 4, 6, 5, 7, 6, 7, 7, 10, 8, 9, 9, 12, 10, 11, 11, 14, 12, 14, 13, 15, 14, 17, 15, 19, 16, 20, 17, 19, 18, 19, 19, 26, 20, 22, 21, 23, 22, 23, 23, 30, 24, 26, 25, 28, 26, 27, 27, 30, 28, 30, 29, 33, 30, 31, 31, 35, 32, 34, 33, 38, 34, 37, 35, 38, 36, 38, 37, 39]

cp's OEIS Frontend

A007150 2-part of number of tournaments on n nodes.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	3
8	5
9	4
10	6
11	5
12	7
13	6
14	7
15	7
16	10
17	8
18	9
19	9
20	12
21	10
22	11
23	11
24	14
25	12
26	14
27	13
28	15
29	14
30	17
31	15
32	19
33	16
34	20
35	17
36	19
37	18
38	19
39	19
40	26
41	20
42	22
43	21
44	23
45	22
46	23
47	23
48	30
49	24
50	26
51	25
52	28
53	26
54	27
55	27
56	30
57	28
58	30
59	29
60	33
61	30
62	31
63	31
64	35
65	32
66	34
67	33
68	38
69	34
70	37
71	35
72	38
73	36
74	38
75	37
76	39

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	3
8	5
9	4
10	6
11	5
12	7
13	6
14	7
15	7
16	10
17	8
18	9
19	9
20	12
21	10
22	11
23	11
24	14
25	12
26	14
27	13
28	15
29	14
30	17
31	15
32	19
33	16
34	20
35	17
36	19
37	18
38	19
39	19
40	26
41	20
42	22
43	21
44	23
45	22
46	23
47	23
48	30
49	24
50	26
51	25
52	28
53	26
54	27
55	27
56	30
57	28
58	30
59	29
60	33
61	30
62	31
63	31
64	35
65	32
66	34
67	33
68	38
69	34
70	37
71	35
72	38
73	36
74	38
75	37
76	39

n	a(n)
1	0
2	0
3	1
4	2
5	2
6	3
7	3
8	5
9	4
10	6
11	5
12	7
13	6
14	7
15	7
16	10
17	8
18	9
19	9
20	12
21	10
22	11
23	11
24	14
25	12
26	14
27	13
28	15
29	14
30	17
31	15
32	19
33	16
34	20
35	17
36	19
37	18
38	19
39	19
40	26
41	20
42	22
43	21
44	23
45	22
46	23
47	23
48	30
49	24
50	26
51	25
52	28
53	26
54	27
55	27
56	30
57	28
58	30
59	29
60	33
61	30
62	31
63	31
64	35
65	32
66	34
67	33
68	38
69	34
70	37
71	35
72	38
73	36
74	38
75	37
76	39