A337275 - cp's OEIS frontend

A337275 Index of appearance of 2prime(n) in A336957, or -1 if 2prime(n) never appears.

n	a(n)
1	-1
2	3
3	10
4	6
5	14
6	18
7	22
8	23
9	26
10	51
11	46
12	54
13	58
14	87
15	99
16	106
17	107
18	110
19	114
20	134
21	135
22	142
23	155
24	171
25	182
26	195
27	199
28	215
29	210
30	214
31	255
32	259
33	271
34	274
35	295
36	299
37	315
38	323
39	326
40	347
41	367
42	371
43	390
44	391
45	394
46	398
47	443
48	451
49	471
50	475
51	478
52	491
53	495
54	511
55	523
56	531
57	543
58	547
59	567
60	575
61	579
62	599
63	627

[-1, 3, 10, 6, 14, 18, 22, 23, 26, 51, 46, 54, 58, 87, 99, 106, 107, 110, 114, 134, 135, 142, 155, 171, 182, 195, 199, 215, 210, 214, 255, 259, 271, 274, 295, 299, 315, 323, 326, 347, 367, 371, 390, 391, 394, 398, 443, 451, 471, 475, 478, 491, 495, 511, 523, 531, 543, 547, 567, 575, 579, 599, 627]

cp's OEIS Frontend

A337275 Index of appearance of 2prime(n) in A336957, or -1 if 2prime(n) never appears.

Table of values

List of values

n	a(n)
1	-1
2	3
3	10
4	6
5	14
6	18
7	22
8	23
9	26
10	51
11	46
12	54
13	58
14	87
15	99
16	106
17	107
18	110
19	114
20	134
21	135
22	142
23	155
24	171
25	182
26	195
27	199
28	215
29	210
30	214
31	255
32	259
33	271
34	274
35	295
36	299
37	315
38	323
39	326
40	347
41	367
42	371
43	390
44	391
45	394
46	398
47	443
48	451
49	471
50	475
51	478
52	491
53	495
54	511
55	523
56	531
57	543
58	547
59	567
60	575
61	579
62	599
63	627

n	a(n)
1	-1
2	3
3	10
4	6
5	14
6	18
7	22
8	23
9	26
10	51
11	46
12	54
13	58
14	87
15	99
16	106
17	107
18	110
19	114
20	134
21	135
22	142
23	155
24	171
25	182
26	195
27	199
28	215
29	210
30	214
31	255
32	259
33	271
34	274
35	295
36	299
37	315
38	323
39	326
40	347
41	367
42	371
43	390
44	391
45	394
46	398
47	443
48	451
49	471
50	475
51	478
52	491
53	495
54	511
55	523
56	531
57	543
58	547
59	567
60	575
61	579
62	599
63	627

cp's OEIS Frontend

A337275 Index of appearance of 2*prime(n) in A336957, or -1 if 2*prime(n) never appears.

Table of values

List of values

A337275 Index of appearance of 2prime(n) in A336957, or -1 if 2prime(n) never appears.

n	a(n)
1	-1
2	3
3	10
4	6
5	14
6	18
7	22
8	23
9	26
10	51
11	46
12	54
13	58
14	87
15	99
16	106
17	107
18	110
19	114
20	134
21	135
22	142
23	155
24	171
25	182
26	195
27	199
28	215
29	210
30	214
31	255
32	259
33	271
34	274
35	295
36	299
37	315
38	323
39	326
40	347
41	367
42	371
43	390
44	391
45	394
46	398
47	443
48	451
49	471
50	475
51	478
52	491
53	495
54	511
55	523
56	531
57	543
58	547
59	567
60	575
61	579
62	599
63	627