A115393 - cp's OEIS frontend

A115393 Numbers n such that n, n-1 and n-2 are semiprimes.

n	a(n)
1	35
2	87
3	95
4	123
5	143
6	203
7	215
8	219
9	303
10	395
11	447
12	635
13	699
14	843
15	923
16	1043
17	1139
18	1263
19	1347
20	1403
21	1643
22	1763
23	1839
24	1895
25	1943
26	1983
27	2103
28	2183
29	2219
30	2307
31	2363
32	2435
33	2463
34	2519
35	2643
36	2723
37	2735
38	3099
39	3387
40	3603
41	3695
42	3867
43	3903
44	3959
45	4287

[35, 87, 95, 123, 143, 203, 215, 219, 303, 395, 447, 635, 699, 843, 923, 1043, 1139, 1263, 1347, 1403, 1643, 1763, 1839, 1895, 1943, 1983, 2103, 2183, 2219, 2307, 2363, 2435, 2463, 2519, 2643, 2723, 2735, 3099, 3387, 3603, 3695, 3867, 3903, 3959, 4287]

cp's OEIS Frontend

A115393 Numbers n such that n, n-1 and n-2 are semiprimes.

Table of values

List of values