A085726 - cp's OEIS frontend

A085726 Numbers n such that n-th Lucas number is a semiprime.

n	a(n)
1	3
2	10
3	14
4	20
5	23
6	26
7	29
8	32
9	38
10	43
11	49
12	56
13	62
14	64
15	67
16	68
17	73
18	76
19	80
20	83
21	86
22	89
23	97
24	107
25	121
26	128
27	136
28	137
29	157
30	164
31	167
32	172
33	178
34	197
35	202
36	211
37	223
38	229
39	284
40	293
41	307
42	311
43	328
44	373
45	389
46	397
47	458
48	487
49	521
50	541
51	557
52	577
53	586
54	619
55	673
56	857
57	914
58	929
59	947
60	1082
61	1151
62	1249
63	1277
64	1279
65	1306
66	1318
67	1493
68	1499
69	1667

[3, 10, 14, 20, 23, 26, 29, 32, 38, 43, 49, 56, 62, 64, 67, 68, 73, 76, 80, 83, 86, 89, 97, 107, 121, 128, 136, 137, 157, 164, 167, 172, 178, 197, 202, 211, 223, 229, 284, 293, 307, 311, 328, 373, 389, 397, 458, 487, 521, 541, 557, 577, 586, 619, 673, 857, 914, 929, 947, 1082, 1151, 1249, 1277, 1279, 1306, 1318, 1493, 1499, 1667]

cp's OEIS Frontend

A085726 Numbers n such that n-th Lucas number is a semiprime.

Table of values

List of values