A233562 - cp's OEIS frontend

A233562 Products pq of distinct primes such that (pq + 1)/2 is a prime.

n	a(n)
1	21
2	33
3	57
4	85
5	93
6	133
7	141
8	145
9	177
10	201
11	205
12	213
13	217
14	253
15	301
16	381
17	393
18	445
19	453
20	481
21	501
22	537
23	553
24	565
25	633
26	697
27	717
28	745
29	793
30	817
31	865
32	913
33	921
34	933
35	973
36	1041
37	1081
38	1137
39	1141
40	1261
41	1285
42	1293
43	1317
44	1345
45	1401
46	1417
47	1437
48	1465
49	1477
50	1501

[21, 33, 57, 85, 93, 133, 141, 145, 177, 201, 205, 213, 217, 253, 301, 381, 393, 445, 453, 481, 501, 537, 553, 565, 633, 697, 717, 745, 793, 817, 865, 913, 921, 933, 973, 1041, 1081, 1137, 1141, 1261, 1285, 1293, 1317, 1345, 1401, 1417, 1437, 1465, 1477, 1501]

cp's OEIS Frontend

A233562 Products pq of distinct primes such that (pq + 1)/2 is a prime.

Table of values

List of values

cp's OEIS Frontend

A233562 Products p*q of distinct primes such that (p*q + 1)/2 is a prime.

Table of values

List of values

A233562 Products pq of distinct primes such that (pq + 1)/2 is a prime.