A367129 - cp's OEIS frontend

A367129 a(1)=a(2)=1; thereafter a(n) is the diameter of the sequence's digraph, where jumps from location i to i+-a(i) are permitted (within 1..n-1).

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

[1, 1, 1, 2, 3, 3, 4, 4, 4, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22]

cp's OEIS Frontend

A367129 a(1)=a(2)=1; thereafter a(n) is the diameter of the sequence's digraph, where jumps from location i to i+-a(i) are permitted (within 1..n-1).

Table of values

List of values

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

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

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