A276638 - cp's OEIS frontend

A276638 a(0)=0; thereafter a(n) is the number of matches between the first n terms circularly shifted by s and the reverse of the first n terms, maximized over s.

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	3
6	4
7	3
8	6
9	3
10	6
11	3
12	8
13	5
14	8
15	5
16	6
17	5
18	6
19	7
20	8
21	7
22	10
23	7
24	8
25	7
26	12
27	7
28	12
29	7
30	12
31	7
32	12
33	7
34	14
35	9
36	14
37	9
38	14
39	9
40	14
41	9
42	14
43	9
44	14
45	11
46	16
47	11
48	14
49	11
50	16
51	11
52	18
53	11
54	16
55	11
56	16
57	11
58	16
59	11
60	20
61	13
62	16
63	13
64	18
65	13
66	16
67	13
68	18
69	13
70	18
71	13
72	18

[0, 1, 2, 1, 4, 3, 4, 3, 6, 3, 6, 3, 8, 5, 8, 5, 6, 5, 6, 7, 8, 7, 10, 7, 8, 7, 12, 7, 12, 7, 12, 7, 12, 7, 14, 9, 14, 9, 14, 9, 14, 9, 14, 9, 14, 11, 16, 11, 14, 11, 16, 11, 18, 11, 16, 11, 16, 11, 16, 11, 20, 13, 16, 13, 18, 13, 16, 13, 18, 13, 18, 13, 18]

cp's OEIS Frontend

A276638 a(0)=0; thereafter a(n) is the number of matches between the first n terms circularly shifted by s and the reverse of the first n terms, maximized over s.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	3
6	4
7	3
8	6
9	3
10	6
11	3
12	8
13	5
14	8
15	5
16	6
17	5
18	6
19	7
20	8
21	7
22	10
23	7
24	8
25	7
26	12
27	7
28	12
29	7
30	12
31	7
32	12
33	7
34	14
35	9
36	14
37	9
38	14
39	9
40	14
41	9
42	14
43	9
44	14
45	11
46	16
47	11
48	14
49	11
50	16
51	11
52	18
53	11
54	16
55	11
56	16
57	11
58	16
59	11
60	20
61	13
62	16
63	13
64	18
65	13
66	16
67	13
68	18
69	13
70	18
71	13
72	18

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	3
6	4
7	3
8	6
9	3
10	6
11	3
12	8
13	5
14	8
15	5
16	6
17	5
18	6
19	7
20	8
21	7
22	10
23	7
24	8
25	7
26	12
27	7
28	12
29	7
30	12
31	7
32	12
33	7
34	14
35	9
36	14
37	9
38	14
39	9
40	14
41	9
42	14
43	9
44	14
45	11
46	16
47	11
48	14
49	11
50	16
51	11
52	18
53	11
54	16
55	11
56	16
57	11
58	16
59	11
60	20
61	13
62	16
63	13
64	18
65	13
66	16
67	13
68	18
69	13
70	18
71	13
72	18

n	a(n)
0	0
1	1
2	2
3	1
4	4
5	3
6	4
7	3
8	6
9	3
10	6
11	3
12	8
13	5
14	8
15	5
16	6
17	5
18	6
19	7
20	8
21	7
22	10
23	7
24	8
25	7
26	12
27	7
28	12
29	7
30	12
31	7
32	12
33	7
34	14
35	9
36	14
37	9
38	14
39	9
40	14
41	9
42	14
43	9
44	14
45	11
46	16
47	11
48	14
49	11
50	16
51	11
52	18
53	11
54	16
55	11
56	16
57	11
58	16
59	11
60	20
61	13
62	16
63	13
64	18
65	13
66	16
67	13
68	18
69	13
70	18
71	13
72	18