A153847 - cp's OEIS frontend

A153847 Number of non-isomorphic connected I-graphs I(n,j,k) on 2n vertices (1<=j,k<=Floor[(n-1)/2]).

n	a(n)
3	1
4	1
5	2
6	2
7	2
8	3
9	3
10	4
11	3
12	7
13	4
14	5
15	7
16	6
17	5
18	8
19	5
20	10
21	9
22	8
23	6
24	14
25	8
26	10
27	9
28	13
29	8
30	19
31	8
32	12
33	13
34	13
35	13
36	19
37	10
38	14
39	15
40	20
41	11
42	25
43	11
44	19
45	19
46	17
47	12
48	26
49	14
50	22
51	19
52	22
53	14
54	26
55	19
56	26
57	21
58	22
59	15
60	40
61	16
62	23
63	25
64	24
65	23
66	37
67	17
68	28
69	25
70	37
71	18
72	38
73	19
74	28
75	31
76	31
77	25
78	43
79	20

[1, 1, 2, 2, 2, 3, 3, 4, 3, 7, 4, 5, 7, 6, 5, 8, 5, 10, 9, 8, 6, 14, 8, 10, 9, 13, 8, 19, 8, 12, 13, 13, 13, 19, 10, 14, 15, 20, 11, 25, 11, 19, 19, 17, 12, 26, 14, 22, 19, 22, 14, 26, 19, 26, 21, 22, 15, 40, 16, 23, 25, 24, 23, 37, 17, 28, 25, 37, 18, 38, 19, 28, 31, 31, 25, 43, 20]

cp's OEIS Frontend

A153847 Number of non-isomorphic connected I-graphs I(n,j,k) on 2n vertices (1<=j,k<=Floor[(n-1)/2]).

Table of values

List of values

n	a(n)
3	1
4	1
5	2
6	2
7	2
8	3
9	3
10	4
11	3
12	7
13	4
14	5
15	7
16	6
17	5
18	8
19	5
20	10
21	9
22	8
23	6
24	14
25	8
26	10
27	9
28	13
29	8
30	19
31	8
32	12
33	13
34	13
35	13
36	19
37	10
38	14
39	15
40	20
41	11
42	25
43	11
44	19
45	19
46	17
47	12
48	26
49	14
50	22
51	19
52	22
53	14
54	26
55	19
56	26
57	21
58	22
59	15
60	40
61	16
62	23
63	25
64	24
65	23
66	37
67	17
68	28
69	25
70	37
71	18
72	38
73	19
74	28
75	31
76	31
77	25
78	43
79	20

n	a(n)
3	1
4	1
5	2
6	2
7	2
8	3
9	3
10	4
11	3
12	7
13	4
14	5
15	7
16	6
17	5
18	8
19	5
20	10
21	9
22	8
23	6
24	14
25	8
26	10
27	9
28	13
29	8
30	19
31	8
32	12
33	13
34	13
35	13
36	19
37	10
38	14
39	15
40	20
41	11
42	25
43	11
44	19
45	19
46	17
47	12
48	26
49	14
50	22
51	19
52	22
53	14
54	26
55	19
56	26
57	21
58	22
59	15
60	40
61	16
62	23
63	25
64	24
65	23
66	37
67	17
68	28
69	25
70	37
71	18
72	38
73	19
74	28
75	31
76	31
77	25
78	43
79	20

n	a(n)
3	1
4	1
5	2
6	2
7	2
8	3
9	3
10	4
11	3
12	7
13	4
14	5
15	7
16	6
17	5
18	8
19	5
20	10
21	9
22	8
23	6
24	14
25	8
26	10
27	9
28	13
29	8
30	19
31	8
32	12
33	13
34	13
35	13
36	19
37	10
38	14
39	15
40	20
41	11
42	25
43	11
44	19
45	19
46	17
47	12
48	26
49	14
50	22
51	19
52	22
53	14
54	26
55	19
56	26
57	21
58	22
59	15
60	40
61	16
62	23
63	25
64	24
65	23
66	37
67	17
68	28
69	25
70	37
71	18
72	38
73	19
74	28
75	31
76	31
77	25
78	43
79	20