A328493 - cp's OEIS frontend

A328493 a(n) = (p_n + 1)*q_n - 1; where (p_n, q_n) is the n-th twin prime pair.

n	a(n)
1	19
2	41
3	155
4	341
5	929
6	1805
7	3659
8	5255
9	10505
10	11771
11	19181
12	22649
13	32579
14	37055
15	39401
16	52211
17	57839
18	73169
19	79805
20	97655
21	121451
22	176819
23	187055
24	213905
25	273005
26	325469
27	360599
28	382541
29	412805
30	436259
31	656909
32	676505
33	686411
34	737021
35	778805
36	1041419
37	1066055
38	1103549
39	1128905

[19, 41, 155, 341, 929, 1805, 3659, 5255, 10505, 11771, 19181, 22649, 32579, 37055, 39401, 52211, 57839, 73169, 79805, 97655, 121451, 176819, 187055, 213905, 273005, 325469, 360599, 382541, 412805, 436259, 656909, 676505, 686411, 737021, 778805, 1041419, 1066055, 1103549, 1128905]

cp's OEIS Frontend

A328493 a(n) = (p_n + 1)*q_n - 1; where (p_n, q_n) is the n-th twin prime pair.

Table of values

List of values