A192321 - cp's OEIS frontend

A192321 Semiprime numbers n such that n^2 + n + 1 is prime.

n	a(n)
1	6
2	14
3	15
4	21
5	33
6	38
7	57
8	62
9	69
10	77
11	111
12	119
13	141
14	143
15	155
16	161
17	194
18	203
19	206
20	209
21	215
22	218
23	278
24	287
25	309
26	314
27	329
28	381
29	395
30	398
31	447
32	453
33	489
34	533
35	537
36	551
37	554
38	566
39	579
40	626
41	635
42	671
43	755
44	785
45	818
46	878
47	899
48	959
49	974
50	993
51	1007
52	1011
53	1041
54	1067
55	1077
56	1133
57	1142
58	1149
59	1191
60	1202
61	1263

[6, 14, 15, 21, 33, 38, 57, 62, 69, 77, 111, 119, 141, 143, 155, 161, 194, 203, 206, 209, 215, 218, 278, 287, 309, 314, 329, 381, 395, 398, 447, 453, 489, 533, 537, 551, 554, 566, 579, 626, 635, 671, 755, 785, 818, 878, 899, 959, 974, 993, 1007, 1011, 1041, 1067, 1077, 1133, 1142, 1149, 1191, 1202, 1263]

cp's OEIS Frontend

A192321 Semiprime numbers n such that n^2 + n + 1 is prime.

Table of values

List of values