A387111 - cp's OEIS frontend

A387111 Number of ways to choose a sequence of distinct positive integers, one in the initial interval of each prime index of n.

n	a(n)
1	1
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	2
11	5
12	0
13	6
14	3
15	4
16	0
17	7
18	0
19	8
20	0
21	6
22	4
23	9
24	0
25	6
26	5
27	0
28	0
29	10
30	1
31	11
32	0
33	8
34	6
35	9
36	0
37	12
38	7
39	10
40	0
41	13
42	2
43	14
44	0
45	2
46	8
47	15
48	0
49	12
50	2
51	12
52	0
53	16
54	0
55	12
56	0
57	14
58	9
59	17
60	0
61	18
62	10
63	4
64	0
65	15
66	3
67	19
68	0
69	16
70	4
71	20
72	0
73	21
74	11
75	4
76	0
77	16
78	4
79	22

[1, 1, 2, 0, 3, 1, 4, 0, 2, 2, 5, 0, 6, 3, 4, 0, 7, 0, 8, 0, 6, 4, 9, 0, 6, 5, 0, 0, 10, 1, 11, 0, 8, 6, 9, 0, 12, 7, 10, 0, 13, 2, 14, 0, 2, 8, 15, 0, 12, 2, 12, 0, 16, 0, 12, 0, 14, 9, 17, 0, 18, 10, 4, 0, 15, 3, 19, 0, 16, 4, 20, 0, 21, 11, 4, 0, 16, 4, 22]

cp's OEIS Frontend

A387111 Number of ways to choose a sequence of distinct positive integers, one in the initial interval of each prime index of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	2
11	5
12	0
13	6
14	3
15	4
16	0
17	7
18	0
19	8
20	0
21	6
22	4
23	9
24	0
25	6
26	5
27	0
28	0
29	10
30	1
31	11
32	0
33	8
34	6
35	9
36	0
37	12
38	7
39	10
40	0
41	13
42	2
43	14
44	0
45	2
46	8
47	15
48	0
49	12
50	2
51	12
52	0
53	16
54	0
55	12
56	0
57	14
58	9
59	17
60	0
61	18
62	10
63	4
64	0
65	15
66	3
67	19
68	0
69	16
70	4
71	20
72	0
73	21
74	11
75	4
76	0
77	16
78	4
79	22

n	a(n)
1	1
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	2
11	5
12	0
13	6
14	3
15	4
16	0
17	7
18	0
19	8
20	0
21	6
22	4
23	9
24	0
25	6
26	5
27	0
28	0
29	10
30	1
31	11
32	0
33	8
34	6
35	9
36	0
37	12
38	7
39	10
40	0
41	13
42	2
43	14
44	0
45	2
46	8
47	15
48	0
49	12
50	2
51	12
52	0
53	16
54	0
55	12
56	0
57	14
58	9
59	17
60	0
61	18
62	10
63	4
64	0
65	15
66	3
67	19
68	0
69	16
70	4
71	20
72	0
73	21
74	11
75	4
76	0
77	16
78	4
79	22

n	a(n)
1	1
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	2
11	5
12	0
13	6
14	3
15	4
16	0
17	7
18	0
19	8
20	0
21	6
22	4
23	9
24	0
25	6
26	5
27	0
28	0
29	10
30	1
31	11
32	0
33	8
34	6
35	9
36	0
37	12
38	7
39	10
40	0
41	13
42	2
43	14
44	0
45	2
46	8
47	15
48	0
49	12
50	2
51	12
52	0
53	16
54	0
55	12
56	0
57	14
58	9
59	17
60	0
61	18
62	10
63	4
64	0
65	15
66	3
67	19
68	0
69	16
70	4
71	20
72	0
73	21
74	11
75	4
76	0
77	16
78	4
79	22