A182261 - cp's OEIS frontend

A182261 Numbers n such that n^2 + {1,3,7} are semiprimes.

n	a(n)
1	44
2	46
3	80
4	88
5	102
6	104
7	108
8	226
9	234
10	238
11	246
12	272
13	290
14	308
15	310
16	328
17	334
18	358
19	370
20	426
21	456
22	480
23	514
24	526
25	530
26	586
27	588
28	614
29	720
30	766
31	790
32	842
33	846
34	848
35	872
36	880
37	884
38	896
39	898
40	900
41	934
42	940
43	974
44	980
45	1040
46	1076
47	1078
48	1088
49	1110
50	1160
51	1208

[44, 46, 80, 88, 102, 104, 108, 226, 234, 238, 246, 272, 290, 308, 310, 328, 334, 358, 370, 426, 456, 480, 514, 526, 530, 586, 588, 614, 720, 766, 790, 842, 846, 848, 872, 880, 884, 896, 898, 900, 934, 940, 974, 980, 1040, 1076, 1078, 1088, 1110, 1160, 1208]

cp's OEIS Frontend

A182261 Numbers n such that n^2 + {1,3,7} are semiprimes.

Table of values

List of values