A261436 - cp's OEIS frontend

A261436 Numbers k such that k^7-1 is a semiprime.

n	a(n)
1	3
2	6
3	14
4	38
5	60
6	68
7	72
8	80
9	128
10	158
11	180
12	192
13	264
14	282
15	294
16	350
17	450
18	464
19	548
20	660
21	710
22	734
23	798
24	822
25	878
26	912
27	942
28	984
29	998
30	1052
31	1188
32	1194
33	1224
34	1280
35	1284
36	1382
37	1424
38	1482
39	1494
40	1512
41	1550
42	1554
43	1572
44	1608
45	1622
46	1668
47	1700
48	1710
49	1790
50	1802

[3, 6, 14, 38, 60, 68, 72, 80, 128, 158, 180, 192, 264, 282, 294, 350, 450, 464, 548, 660, 710, 734, 798, 822, 878, 912, 942, 984, 998, 1052, 1188, 1194, 1224, 1280, 1284, 1382, 1424, 1482, 1494, 1512, 1550, 1554, 1572, 1608, 1622, 1668, 1700, 1710, 1790, 1802]

cp's OEIS Frontend

A261436 Numbers k such that k^7-1 is a semiprime.

Table of values

List of values