A369859 - cp's OEIS frontend

A369859 Minimum chord of a chordal ring graph with 2*n vertices and minimal diameter.

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	7
15	7
16	7
17	7
18	7
19	15
20	7
21	7
22	9
23	7
24	19
25	7
26	9
27	9
28	9
29	9
30	9
31	9
32	11
33	19
34	19
35	9
36	9
37	21
38	11
39	29
40	23
41	23
42	11
43	11
44	25
45	11
46	11
47	11
48	11
49	11
50	13
51	13
52	23
53	23
54	41
55	11
56	25
57	25
58	13
59	15
60	27
61	27
62	27
63	13
64	13
65	29
66	29
67	13
68	13
69	13
70	31
71	13
72	15
73	15
74	15
75	17
76	27
77	13
78	43
79	29
80	29
81	29
82	45
83	17
84	17
85	31
86	31
87	31
88	39

[1, 1, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 15, 7, 7, 9, 7, 19, 7, 9, 9, 9, 9, 9, 9, 11, 19, 19, 9, 9, 21, 11, 29, 23, 23, 11, 11, 25, 11, 11, 11, 11, 11, 13, 13, 23, 23, 41, 11, 25, 25, 13, 15, 27, 27, 27, 13, 13, 29, 29, 13, 13, 13, 31, 13, 15, 15, 15, 17, 27, 13, 43, 29, 29, 29, 45, 17, 17, 31, 31, 31, 39]

cp's OEIS Frontend

A369859 Minimum chord of a chordal ring graph with 2*n vertices and minimal diameter.

Table of values

List of values

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	7
15	7
16	7
17	7
18	7
19	15
20	7
21	7
22	9
23	7
24	19
25	7
26	9
27	9
28	9
29	9
30	9
31	9
32	11
33	19
34	19
35	9
36	9
37	21
38	11
39	29
40	23
41	23
42	11
43	11
44	25
45	11
46	11
47	11
48	11
49	11
50	13
51	13
52	23
53	23
54	41
55	11
56	25
57	25
58	13
59	15
60	27
61	27
62	27
63	13
64	13
65	29
66	29
67	13
68	13
69	13
70	31
71	13
72	15
73	15
74	15
75	17
76	27
77	13
78	43
79	29
80	29
81	29
82	45
83	17
84	17
85	31
86	31
87	31
88	39

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	7
15	7
16	7
17	7
18	7
19	15
20	7
21	7
22	9
23	7
24	19
25	7
26	9
27	9
28	9
29	9
30	9
31	9
32	11
33	19
34	19
35	9
36	9
37	21
38	11
39	29
40	23
41	23
42	11
43	11
44	25
45	11
46	11
47	11
48	11
49	11
50	13
51	13
52	23
53	23
54	41
55	11
56	25
57	25
58	13
59	15
60	27
61	27
62	27
63	13
64	13
65	29
66	29
67	13
68	13
69	13
70	31
71	13
72	15
73	15
74	15
75	17
76	27
77	13
78	43
79	29
80	29
81	29
82	45
83	17
84	17
85	31
86	31
87	31
88	39

n	a(n)
1	1
2	1
3	3
4	3
5	3
6	5
7	5
8	5
9	5
10	5
11	5
12	5
13	5
14	7
15	7
16	7
17	7
18	7
19	15
20	7
21	7
22	9
23	7
24	19
25	7
26	9
27	9
28	9
29	9
30	9
31	9
32	11
33	19
34	19
35	9
36	9
37	21
38	11
39	29
40	23
41	23
42	11
43	11
44	25
45	11
46	11
47	11
48	11
49	11
50	13
51	13
52	23
53	23
54	41
55	11
56	25
57	25
58	13
59	15
60	27
61	27
62	27
63	13
64	13
65	29
66	29
67	13
68	13
69	13
70	31
71	13
72	15
73	15
74	15
75	17
76	27
77	13
78	43
79	29
80	29
81	29
82	45
83	17
84	17
85	31
86	31
87	31
88	39