A064975 - cp's OEIS frontend

A064975 Numbers k such that 10k-1, 10k-3, 10k-7 and 10k-9 are all prime.

n	a(n)
1	2
2	11
3	20
4	83
5	149
6	188
7	209
8	326
9	347
10	566
11	944
12	1301
13	1565
14	1574
15	1607
16	1805
17	1892
18	1943
19	2102
20	2228
21	2531
22	3173
23	3485
24	4379
25	5135
26	5534
27	6299
28	6722
29	6950
30	7223
31	7727
32	7970
33	8105
34	8273
35	8882
36	9785
37	9914
38	10112
39	10985
40	11654
41	11930
42	12221
43	13547

[2, 11, 20, 83, 149, 188, 209, 326, 347, 566, 944, 1301, 1565, 1574, 1607, 1805, 1892, 1943, 2102, 2228, 2531, 3173, 3485, 4379, 5135, 5534, 6299, 6722, 6950, 7223, 7727, 7970, 8105, 8273, 8882, 9785, 9914, 10112, 10985, 11654, 11930, 12221, 13547]

cp's OEIS Frontend

A064975 Numbers k such that 10k-1, 10k-3, 10k-7 and 10k-9 are all prime.

Table of values

List of values

cp's OEIS Frontend

A064975 Numbers k such that 10*k-1, 10*k-3, 10*k-7 and 10*k-9 are all prime.

Table of values

List of values

A064975 Numbers k such that 10k-1, 10k-3, 10k-7 and 10k-9 are all prime.