A379445 - cp's OEIS frontend

A379445 a(n) = gpf(prime(n)-1)*gpf(prime(n)+1), where gpf is A006530.

n	a(n)
2	4
3	6
4	6
5	15
6	21
7	6
8	15
9	33
10	35
11	10
12	57
13	35
14	77
15	69
16	39
17	145
18	155
19	187
20	21
21	111
22	65
23	287
24	55
25	21
26	85
27	221
28	159
29	33
30	133
31	14
32	143
33	391
34	161
35	185
36	95
37	1027
38	123
39	581
40	1247
41	445
42	65
43	57
44	291
45	77
46	55
47	371
48	259
49	2147
50	437
51	377
52	85
53	55
54	35
55	86
56	1441
57	335
58	85
59	3197
60	329
61	3337

[4, 6, 6, 15, 21, 6, 15, 33, 35, 10, 57, 35, 77, 69, 39, 145, 155, 187, 21, 111, 65, 287, 55, 21, 85, 221, 159, 33, 133, 14, 143, 391, 161, 185, 95, 1027, 123, 581, 1247, 445, 65, 57, 291, 77, 55, 371, 259, 2147, 437, 377, 85, 55, 35, 86, 1441, 335, 85, 3197, 329, 3337]

cp's OEIS Frontend

A379445 a(n) = gpf(prime(n)-1)*gpf(prime(n)+1), where gpf is A006530.

Table of values

List of values