A224609 - cp's OEIS frontend

A224609 Smallest j such that 2jprime(n)^3-1 is prime.

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

[2, 1, 2, 7, 2, 7, 8, 6, 8, 5, 1, 3, 11, 1, 9, 3, 5, 1, 3, 15, 7, 3, 8, 8, 12, 2, 15, 3, 10, 2, 3, 12, 12, 1, 6, 6, 9, 3, 5, 2, 5, 1, 5, 10, 57, 1, 21, 1, 15, 9, 2, 3, 1, 5, 5, 3, 15, 6, 7, 5, 25, 6, 12, 11, 6, 5, 1, 9, 2, 19, 5, 9, 27, 1, 3, 11, 3, 15, 2, 6, 21]

cp's OEIS Frontend

A224609 Smallest j such that 2jprime(n)^3-1 is prime.

Table of values

List of values

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

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

cp's OEIS Frontend

A224609 Smallest j such that 2*j*prime(n)^3-1 is prime.

Table of values

List of values

A224609 Smallest j such that 2jprime(n)^3-1 is prime.

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