A128929 - cp's OEIS frontend

A128929 Diameter of a special type of regular graph of degree 4 whose order maintain an increase in form of an arithmetic progression.

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

[1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21]

cp's OEIS Frontend

A128929 Diameter of a special type of regular graph of degree 4 whose order maintain an increase in form of an arithmetic progression.

Table of values

List of values

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

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

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