A354285 - cp's OEIS frontend

A354285 Numbers k such that one of k, k+1, k+2 is prime and the other two are semiprimes, and one of R(n), R(n+1), R(n+2) is prime and the other two are semiprimes, where R = A004086.

n	a(n)
1	4
2	157
3	177
4	1381
5	1437
6	7417
7	9661
8	9901
9	12757
10	15297
11	15681
12	16921
13	35961
14	36901
15	39777
16	75741
17	77277
18	93097
19	94441
20	103317
21	108201
22	111261
23	117541
24	121377
25	127597
26	128461
27	128901
28	130197
29	134677
30	146841
31	147417
32	151377
33	156601
34	160077
35	165441
36	166861
37	169177
38	178537
39	185901
40	187881
41	306541

[4, 157, 177, 1381, 1437, 7417, 9661, 9901, 12757, 15297, 15681, 16921, 35961, 36901, 39777, 75741, 77277, 93097, 94441, 103317, 108201, 111261, 117541, 121377, 127597, 128461, 128901, 130197, 134677, 146841, 147417, 151377, 156601, 160077, 165441, 166861, 169177, 178537, 185901, 187881, 306541]

cp's OEIS Frontend

A354285 Numbers k such that one of k, k+1, k+2 is prime and the other two are semiprimes, and one of R(n), R(n+1), R(n+2) is prime and the other two are semiprimes, where R = A004086.

Table of values

List of values