A174189 - cp's OEIS frontend

A174189 Numbers k such that A000040(k) +/- A163300(k) are both prime.

n	a(n)
1	1
2	7
3	9
4	12
5	24
6	30
7	36
8	63
9	90
10	102
11	117
12	126
13	135
14	150
15	156
16	165
17	171
18	180
19	183
20	225
21	234
22	270
23	285
24	369
25	390
26	399
27	402
28	447
29	456
30	501
31	507
32	537
33	570
34	582
35	624
36	627
37	642
38	651
39	654
40	660
41	720
42	735
43	762
44	777
45	855
46	864
47	870
48	885
49	930
50	936
51	945

[1, 7, 9, 12, 24, 30, 36, 63, 90, 102, 117, 126, 135, 150, 156, 165, 171, 180, 183, 225, 234, 270, 285, 369, 390, 399, 402, 447, 456, 501, 507, 537, 570, 582, 624, 627, 642, 651, 654, 660, 720, 735, 762, 777, 855, 864, 870, 885, 930, 936, 945]

cp's OEIS Frontend

A174189 Numbers k such that A000040(k) +/- A163300(k) are both prime.

Table of values

List of values

n	a(n)
1	1
2	7
3	9
4	12
5	24
6	30
7	36
8	63
9	90
10	102
11	117
12	126
13	135
14	150
15	156
16	165
17	171
18	180
19	183
20	225
21	234
22	270
23	285
24	369
25	390
26	399
27	402
28	447
29	456
30	501
31	507
32	537
33	570
34	582
35	624
36	627
37	642
38	651
39	654
40	660
41	720
42	735
43	762
44	777
45	855
46	864
47	870
48	885
49	930
50	936
51	945

n	a(n)
1	1
2	7
3	9
4	12
5	24
6	30
7	36
8	63
9	90
10	102
11	117
12	126
13	135
14	150
15	156
16	165
17	171
18	180
19	183
20	225
21	234
22	270
23	285
24	369
25	390
26	399
27	402
28	447
29	456
30	501
31	507
32	537
33	570
34	582
35	624
36	627
37	642
38	651
39	654
40	660
41	720
42	735
43	762
44	777
45	855
46	864
47	870
48	885
49	930
50	936
51	945

n	a(n)
1	1
2	7
3	9
4	12
5	24
6	30
7	36
8	63
9	90
10	102
11	117
12	126
13	135
14	150
15	156
16	165
17	171
18	180
19	183
20	225
21	234
22	270
23	285
24	369
25	390
26	399
27	402
28	447
29	456
30	501
31	507
32	537
33	570
34	582
35	624
36	627
37	642
38	651
39	654
40	660
41	720
42	735
43	762
44	777
45	855
46	864
47	870
48	885
49	930
50	936
51	945