A348424 - cp's OEIS frontend

A348424 a(n) is the difference between the index of the prime p = A035345(n)-A002110(n) and n, or 0 if the difference is composite.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	1
7	1
8	1
9	3
10	8
11	8
12	6
13	7
14	1
15	13
16	1
17	1
18	11
19	5
20	7
21	1
22	14
23	22
24	2
25	2
26	25
27	21
28	3
29	19
30	13
31	7
32	18
33	84
34	18
35	2
36	3
37	48
38	14
39	7
40	3
41	5
42	34
43	8
44	89
45	20
46	91
47	64
48	17
49	27
50	12
51	35
52	15
53	8
54	5
55	3
56	23
57	6
58	9
59	16
60	34
61	6
62	2
63	15
64	3
65	6
66	15
67	15
68	85
69	32
70	151
71	17
72	16
73	1
74	8
75	5
76	102
77	22
78	17
79	35
80	49

[1, 1, 1, 1, 2, 4, 1, 1, 1, 3, 8, 8, 6, 7, 1, 13, 1, 1, 11, 5, 7, 1, 14, 22, 2, 2, 25, 21, 3, 19, 13, 7, 18, 84, 18, 2, 3, 48, 14, 7, 3, 5, 34, 8, 89, 20, 91, 64, 17, 27, 12, 35, 15, 8, 5, 3, 23, 6, 9, 16, 34, 6, 2, 15, 3, 6, 15, 15, 85, 32, 151, 17, 16, 1, 8, 5, 102, 22, 17, 35, 49]

cp's OEIS Frontend

A348424 a(n) is the difference between the index of the prime p = A035345(n)-A002110(n) and n, or 0 if the difference is composite.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	1
7	1
8	1
9	3
10	8
11	8
12	6
13	7
14	1
15	13
16	1
17	1
18	11
19	5
20	7
21	1
22	14
23	22
24	2
25	2
26	25
27	21
28	3
29	19
30	13
31	7
32	18
33	84
34	18
35	2
36	3
37	48
38	14
39	7
40	3
41	5
42	34
43	8
44	89
45	20
46	91
47	64
48	17
49	27
50	12
51	35
52	15
53	8
54	5
55	3
56	23
57	6
58	9
59	16
60	34
61	6
62	2
63	15
64	3
65	6
66	15
67	15
68	85
69	32
70	151
71	17
72	16
73	1
74	8
75	5
76	102
77	22
78	17
79	35
80	49

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	1
7	1
8	1
9	3
10	8
11	8
12	6
13	7
14	1
15	13
16	1
17	1
18	11
19	5
20	7
21	1
22	14
23	22
24	2
25	2
26	25
27	21
28	3
29	19
30	13
31	7
32	18
33	84
34	18
35	2
36	3
37	48
38	14
39	7
40	3
41	5
42	34
43	8
44	89
45	20
46	91
47	64
48	17
49	27
50	12
51	35
52	15
53	8
54	5
55	3
56	23
57	6
58	9
59	16
60	34
61	6
62	2
63	15
64	3
65	6
66	15
67	15
68	85
69	32
70	151
71	17
72	16
73	1
74	8
75	5
76	102
77	22
78	17
79	35
80	49

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	1
7	1
8	1
9	3
10	8
11	8
12	6
13	7
14	1
15	13
16	1
17	1
18	11
19	5
20	7
21	1
22	14
23	22
24	2
25	2
26	25
27	21
28	3
29	19
30	13
31	7
32	18
33	84
34	18
35	2
36	3
37	48
38	14
39	7
40	3
41	5
42	34
43	8
44	89
45	20
46	91
47	64
48	17
49	27
50	12
51	35
52	15
53	8
54	5
55	3
56	23
57	6
58	9
59	16
60	34
61	6
62	2
63	15
64	3
65	6
66	15
67	15
68	85
69	32
70	151
71	17
72	16
73	1
74	8
75	5
76	102
77	22
78	17
79	35
80	49