A117675 - cp's OEIS frontend

A117675 Numbers k such that prime(k) + prime(k+1) + prime(k+2) is prime and also there is a j such that prime(j) + prime(j+1) + prime(j+2) = prime(k).

n	a(n)
1	9
2	11
3	13
4	20
5	23
6	29
7	47
8	64
9	70
10	88
11	121
12	126
13	145
14	148
15	153
16	174
17	190
18	195
19	201
20	213
21	223
22	245
23	294
24	298
25	320
26	337
27	369
28	381
29	429
30	436
31	445
32	462
33	486
34	495
35	504
36	536
37	548
38	584
39	596
40	608
41	639
42	677
43	747
44	819
45	827
46	831
47	868
48	877
49	887
50	902
51	905
52	970

[9, 11, 13, 20, 23, 29, 47, 64, 70, 88, 121, 126, 145, 148, 153, 174, 190, 195, 201, 213, 223, 245, 294, 298, 320, 337, 369, 381, 429, 436, 445, 462, 486, 495, 504, 536, 548, 584, 596, 608, 639, 677, 747, 819, 827, 831, 868, 877, 887, 902, 905, 970]

cp's OEIS Frontend

A117675 Numbers k such that prime(k) + prime(k+1) + prime(k+2) is prime and also there is a j such that prime(j) + prime(j+1) + prime(j+2) = prime(k).

Table of values

List of values

n	a(n)
1	9
2	11
3	13
4	20
5	23
6	29
7	47
8	64
9	70
10	88
11	121
12	126
13	145
14	148
15	153
16	174
17	190
18	195
19	201
20	213
21	223
22	245
23	294
24	298
25	320
26	337
27	369
28	381
29	429
30	436
31	445
32	462
33	486
34	495
35	504
36	536
37	548
38	584
39	596
40	608
41	639
42	677
43	747
44	819
45	827
46	831
47	868
48	877
49	887
50	902
51	905
52	970

n	a(n)
1	9
2	11
3	13
4	20
5	23
6	29
7	47
8	64
9	70
10	88
11	121
12	126
13	145
14	148
15	153
16	174
17	190
18	195
19	201
20	213
21	223
22	245
23	294
24	298
25	320
26	337
27	369
28	381
29	429
30	436
31	445
32	462
33	486
34	495
35	504
36	536
37	548
38	584
39	596
40	608
41	639
42	677
43	747
44	819
45	827
46	831
47	868
48	877
49	887
50	902
51	905
52	970

n	a(n)
1	9
2	11
3	13
4	20
5	23
6	29
7	47
8	64
9	70
10	88
11	121
12	126
13	145
14	148
15	153
16	174
17	190
18	195
19	201
20	213
21	223
22	245
23	294
24	298
25	320
26	337
27	369
28	381
29	429
30	436
31	445
32	462
33	486
34	495
35	504
36	536
37	548
38	584
39	596
40	608
41	639
42	677
43	747
44	819
45	827
46	831
47	868
48	877
49	887
50	902
51	905
52	970