A366737 - cp's OEIS frontend

A366737 Number of numbers k <= A056239(n) that can be written as a linear combination of the prime indices of n (allowing coefficients of 0).

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	3
7	1
8	3
9	2
10	4
11	1
12	4
13	1
14	5
15	4
16	4
17	1
18	5
19	1
20	5
21	3
22	6
23	1
24	5
25	2
26	7
27	3
28	6
29	1
30	6
31	1
32	5
33	5
34	8
35	4
36	6
37	1
38	9
39	4
40	6
41	1
42	7
43	1
44	7
45	6
46	10
47	1
48	6
49	2
50	7
51	6
52	8
53	1
54	7
55	4
56	7
57	5
58	11
59	1
60	7
61	1
62	12
63	4
64	6
65	3
66	8
67	1
68	9
69	7
70	8
71	1
72	7
73	1
74	13
75	7
76	10
77	4
78	9
79	1
80	7
81	4
82	14
83	1
84	8
85	5

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

cp's OEIS Frontend

A366737 Number of numbers k <= A056239(n) that can be written as a linear combination of the prime indices of n (allowing coefficients of 0).

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	3
7	1
8	3
9	2
10	4
11	1
12	4
13	1
14	5
15	4
16	4
17	1
18	5
19	1
20	5
21	3
22	6
23	1
24	5
25	2
26	7
27	3
28	6
29	1
30	6
31	1
32	5
33	5
34	8
35	4
36	6
37	1
38	9
39	4
40	6
41	1
42	7
43	1
44	7
45	6
46	10
47	1
48	6
49	2
50	7
51	6
52	8
53	1
54	7
55	4
56	7
57	5
58	11
59	1
60	7
61	1
62	12
63	4
64	6
65	3
66	8
67	1
68	9
69	7
70	8
71	1
72	7
73	1
74	13
75	7
76	10
77	4
78	9
79	1
80	7
81	4
82	14
83	1
84	8
85	5

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	3
7	1
8	3
9	2
10	4
11	1
12	4
13	1
14	5
15	4
16	4
17	1
18	5
19	1
20	5
21	3
22	6
23	1
24	5
25	2
26	7
27	3
28	6
29	1
30	6
31	1
32	5
33	5
34	8
35	4
36	6
37	1
38	9
39	4
40	6
41	1
42	7
43	1
44	7
45	6
46	10
47	1
48	6
49	2
50	7
51	6
52	8
53	1
54	7
55	4
56	7
57	5
58	11
59	1
60	7
61	1
62	12
63	4
64	6
65	3
66	8
67	1
68	9
69	7
70	8
71	1
72	7
73	1
74	13
75	7
76	10
77	4
78	9
79	1
80	7
81	4
82	14
83	1
84	8
85	5

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	3
7	1
8	3
9	2
10	4
11	1
12	4
13	1
14	5
15	4
16	4
17	1
18	5
19	1
20	5
21	3
22	6
23	1
24	5
25	2
26	7
27	3
28	6
29	1
30	6
31	1
32	5
33	5
34	8
35	4
36	6
37	1
38	9
39	4
40	6
41	1
42	7
43	1
44	7
45	6
46	10
47	1
48	6
49	2
50	7
51	6
52	8
53	1
54	7
55	4
56	7
57	5
58	11
59	1
60	7
61	1
62	12
63	4
64	6
65	3
66	8
67	1
68	9
69	7
70	8
71	1
72	7
73	1
74	13
75	7
76	10
77	4
78	9
79	1
80	7
81	4
82	14
83	1
84	8
85	5