A166305 - cp's OEIS frontend

A166305 Even semiprimes k such that the largest prime factor + 8 is a prime. Also semiprimes k such that k+16 is semiprime.

n	a(n)
1	6
2	10
3	22
4	46
5	58
6	106
7	118
8	142
9	178
10	202
11	262
12	298
13	346
14	382
15	466
16	526
17	538
18	718
19	778
20	802
21	862
22	898
23	958
24	982
25	1126
26	1138
27	1186
28	1198
29	1306
30	1366
31	1402
32	1438
33	1486
34	1522
35	1642
36	1822
37	1858
38	1966
39	2026
40	2062
41	2122
42	2218
43	2326
44	2386
45	2446
46	2458
47	2566
48	2578

[6, 10, 22, 46, 58, 106, 118, 142, 178, 202, 262, 298, 346, 382, 466, 526, 538, 718, 778, 802, 862, 898, 958, 982, 1126, 1138, 1186, 1198, 1306, 1366, 1402, 1438, 1486, 1522, 1642, 1822, 1858, 1966, 2026, 2062, 2122, 2218, 2326, 2386, 2446, 2458, 2566, 2578]

cp's OEIS Frontend

A166305 Even semiprimes k such that the largest prime factor + 8 is a prime. Also semiprimes k such that k+16 is semiprime.

Table of values

List of values