A364882 - cp's OEIS frontend

A364882 a(1)=1 and thereafter a(n) is the number of locations 1..n-1 which are visited last in a single path beginning at some location s, in which one proceeds from location i to i +- a(i) (within 1..n-1) until no further unvisited location is available.

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

[1, 1, 2, 3, 3, 3, 3, 4, 6, 6, 7, 7, 7, 7, 7, 7, 9, 9, 9, 11, 11, 11, 14, 15, 15, 15, 15, 17, 18, 18, 18, 19, 19, 25, 25, 25, 25, 26, 26, 26, 26, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 30, 30, 30, 30, 30, 30, 40, 40]

cp's OEIS Frontend

A364882 a(1)=1 and thereafter a(n) is the number of locations 1..n-1 which are visited last in a single path beginning at some location s, in which one proceeds from location i to i +- a(i) (within 1..n-1) until no further unvisited location is available.

Table of values

List of values

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

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

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