A178656 - cp's OEIS frontend

A178656 The positions of products of 2 primes that are the differences of 2 primes in A002808.

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	13
7	15
8	21
9	22
10	35
11	38
12	41
13	59
14	61
15	63
16	87
17	90
18	92
19	107
20	110
21	136
22	144
23	155
24	158
25	165
26	166
27	215
28	227
29	232
30	235
31	240
32	252
33	254
34	283
35	286
36	306
37	316
38	330
39	360
40	363
41	366
42	386
43	398
44	408
45	435
46	437
47	438
48	459
49	467
50	483
51	507
52	530
53	557
54	560
55	568
56	571
57	589

[1, 2, 4, 5, 8, 13, 15, 21, 22, 35, 38, 41, 59, 61, 63, 87, 90, 92, 107, 110, 136, 144, 155, 158, 165, 166, 215, 227, 232, 235, 240, 252, 254, 283, 286, 306, 316, 330, 360, 363, 366, 386, 398, 408, 435, 437, 438, 459, 467, 483, 507, 530, 557, 560, 568, 571, 589]

cp's OEIS Frontend

A178656 The positions of products of 2 primes that are the differences of 2 primes in A002808.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	13
7	15
8	21
9	22
10	35
11	38
12	41
13	59
14	61
15	63
16	87
17	90
18	92
19	107
20	110
21	136
22	144
23	155
24	158
25	165
26	166
27	215
28	227
29	232
30	235
31	240
32	252
33	254
34	283
35	286
36	306
37	316
38	330
39	360
40	363
41	366
42	386
43	398
44	408
45	435
46	437
47	438
48	459
49	467
50	483
51	507
52	530
53	557
54	560
55	568
56	571
57	589

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	13
7	15
8	21
9	22
10	35
11	38
12	41
13	59
14	61
15	63
16	87
17	90
18	92
19	107
20	110
21	136
22	144
23	155
24	158
25	165
26	166
27	215
28	227
29	232
30	235
31	240
32	252
33	254
34	283
35	286
36	306
37	316
38	330
39	360
40	363
41	366
42	386
43	398
44	408
45	435
46	437
47	438
48	459
49	467
50	483
51	507
52	530
53	557
54	560
55	568
56	571
57	589

n	a(n)
1	1
2	2
3	4
4	5
5	8
6	13
7	15
8	21
9	22
10	35
11	38
12	41
13	59
14	61
15	63
16	87
17	90
18	92
19	107
20	110
21	136
22	144
23	155
24	158
25	165
26	166
27	215
28	227
29	232
30	235
31	240
32	252
33	254
34	283
35	286
36	306
37	316
38	330
39	360
40	363
41	366
42	386
43	398
44	408
45	435
46	437
47	438
48	459
49	467
50	483
51	507
52	530
53	557
54	560
55	568
56	571
57	589