A337327 - cp's OEIS frontend

A337327 Maximum value of the cyclic self-convolution of the first n terms of the characteristic function of primes.

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	4
8	3
9	3
10	3
11	4
12	4
13	6
14	5
15	4
16	4
17	6
18	5
19	8
20	7
21	6
22	6
23	8
24	7
25	8
26	7
27	6
28	6
29	8
30	7
31	10
32	9
33	8
34	8
35	8
36	8
37	10
38	9
39	8
40	8
41	10
42	10
43	12
44	12
45	10
46	11
47	12
48	12
49	12
50	13
51	12
52	12
53	14
54	13
55	14
56	13
57	12
58	12
59	12
60	12
61	14
62	13
63	12
64	13
65	12
66	14
67	14
68	15
69	12
70	14
71	14
72	16
73	16
74	18

[0, 1, 2, 2, 3, 2, 4, 3, 3, 3, 4, 4, 6, 5, 4, 4, 6, 5, 8, 7, 6, 6, 8, 7, 8, 7, 6, 6, 8, 7, 10, 9, 8, 8, 8, 8, 10, 9, 8, 8, 10, 10, 12, 12, 10, 11, 12, 12, 12, 13, 12, 12, 14, 13, 14, 13, 12, 12, 12, 12, 14, 13, 12, 13, 12, 14, 14, 15, 12, 14, 14, 16, 16, 18]

cp's OEIS Frontend

A337327 Maximum value of the cyclic self-convolution of the first n terms of the characteristic function of primes.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	4
8	3
9	3
10	3
11	4
12	4
13	6
14	5
15	4
16	4
17	6
18	5
19	8
20	7
21	6
22	6
23	8
24	7
25	8
26	7
27	6
28	6
29	8
30	7
31	10
32	9
33	8
34	8
35	8
36	8
37	10
38	9
39	8
40	8
41	10
42	10
43	12
44	12
45	10
46	11
47	12
48	12
49	12
50	13
51	12
52	12
53	14
54	13
55	14
56	13
57	12
58	12
59	12
60	12
61	14
62	13
63	12
64	13
65	12
66	14
67	14
68	15
69	12
70	14
71	14
72	16
73	16
74	18

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	4
8	3
9	3
10	3
11	4
12	4
13	6
14	5
15	4
16	4
17	6
18	5
19	8
20	7
21	6
22	6
23	8
24	7
25	8
26	7
27	6
28	6
29	8
30	7
31	10
32	9
33	8
34	8
35	8
36	8
37	10
38	9
39	8
40	8
41	10
42	10
43	12
44	12
45	10
46	11
47	12
48	12
49	12
50	13
51	12
52	12
53	14
54	13
55	14
56	13
57	12
58	12
59	12
60	12
61	14
62	13
63	12
64	13
65	12
66	14
67	14
68	15
69	12
70	14
71	14
72	16
73	16
74	18

n	a(n)
1	0
2	1
3	2
4	2
5	3
6	2
7	4
8	3
9	3
10	3
11	4
12	4
13	6
14	5
15	4
16	4
17	6
18	5
19	8
20	7
21	6
22	6
23	8
24	7
25	8
26	7
27	6
28	6
29	8
30	7
31	10
32	9
33	8
34	8
35	8
36	8
37	10
38	9
39	8
40	8
41	10
42	10
43	12
44	12
45	10
46	11
47	12
48	12
49	12
50	13
51	12
52	12
53	14
54	13
55	14
56	13
57	12
58	12
59	12
60	12
61	14
62	13
63	12
64	13
65	12
66	14
67	14
68	15
69	12
70	14
71	14
72	16
73	16
74	18