A360594 - cp's OEIS frontend

A360594 a(n) is the maximum number of locations 0..n-1 which can be visited in a single path starting from i=n-1, where jumps from location i to i +- a(i) are permitted (within 0..n-1) and each location can be visited up to 2 times.

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

[0, 2, 1, 2, 4, 3, 8, 1, 2, 2, 4, 2, 8, 5, 4, 6, 13, 14, 14, 13, 13, 16, 22, 3, 17, 16, 20, 13, 13, 24, 22, 15, 24, 15, 14, 17, 14, 4, 15, 18, 23, 26, 28, 13, 16, 30, 28, 14, 15, 17, 16, 19, 16, 33, 18, 33, 32, 35, 39, 38, 40, 38, 39, 39, 36, 39, 38, 39, 41, 52]

cp's OEIS Frontend

A360594 a(n) is the maximum number of locations 0..n-1 which can be visited in a single path starting from i=n-1, where jumps from location i to i +- a(i) are permitted (within 0..n-1) and each location can be visited up to 2 times.

Table of values

List of values

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

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

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