A360357 - cp's OEIS frontend

A360357 Numbers k such that k and k+1 are both products of primes of nonprime index (A320628).

n	a(n)
1	1
2	7
3	13
4	28
5	37
6	46
7	52
8	73
9	91
10	97
11	103
12	106
13	112
14	148
15	151
16	172
17	181
18	193
19	196
20	202
21	223
22	226
23	232
24	256
25	262
26	292
27	298
28	301
29	316
30	337
31	343
32	346
33	361
34	376
35	388
36	397
37	427
38	448
39	457
40	463
41	466
42	478
43	487
44	502
45	511
46	523
47	541
48	556
49	568
50	592
51	601
52	607
53	613
54	622
55	631

[1, 7, 13, 28, 37, 46, 52, 73, 91, 97, 103, 106, 112, 148, 151, 172, 181, 193, 196, 202, 223, 226, 232, 256, 262, 292, 298, 301, 316, 337, 343, 346, 361, 376, 388, 397, 427, 448, 457, 463, 466, 478, 487, 502, 511, 523, 541, 556, 568, 592, 601, 607, 613, 622, 631]

cp's OEIS Frontend

A360357 Numbers k such that k and k+1 are both products of primes of nonprime index (A320628).

Table of values

List of values

n	a(n)
1	1
2	7
3	13
4	28
5	37
6	46
7	52
8	73
9	91
10	97
11	103
12	106
13	112
14	148
15	151
16	172
17	181
18	193
19	196
20	202
21	223
22	226
23	232
24	256
25	262
26	292
27	298
28	301
29	316
30	337
31	343
32	346
33	361
34	376
35	388
36	397
37	427
38	448
39	457
40	463
41	466
42	478
43	487
44	502
45	511
46	523
47	541
48	556
49	568
50	592
51	601
52	607
53	613
54	622
55	631

n	a(n)
1	1
2	7
3	13
4	28
5	37
6	46
7	52
8	73
9	91
10	97
11	103
12	106
13	112
14	148
15	151
16	172
17	181
18	193
19	196
20	202
21	223
22	226
23	232
24	256
25	262
26	292
27	298
28	301
29	316
30	337
31	343
32	346
33	361
34	376
35	388
36	397
37	427
38	448
39	457
40	463
41	466
42	478
43	487
44	502
45	511
46	523
47	541
48	556
49	568
50	592
51	601
52	607
53	613
54	622
55	631

n	a(n)
1	1
2	7
3	13
4	28
5	37
6	46
7	52
8	73
9	91
10	97
11	103
12	106
13	112
14	148
15	151
16	172
17	181
18	193
19	196
20	202
21	223
22	226
23	232
24	256
25	262
26	292
27	298
28	301
29	316
30	337
31	343
32	346
33	361
34	376
35	388
36	397
37	427
38	448
39	457
40	463
41	466
42	478
43	487
44	502
45	511
46	523
47	541
48	556
49	568
50	592
51	601
52	607
53	613
54	622
55	631