A298862 - cp's OEIS frontend

A298862 Rank of n-th twice-prime when all the primes and twice-primes are jointly ranked.

n	a(n)
1	3
2	5
3	7
4	10
5	13
6	15
7	18
8	20
9	23
10	26
11	29
12	33
13	35
14	37
15	39
16	43
17	47
18	48
19	51
20	54
21	55
22	59
23	61
24	64
25	69
26	72
27	73
28	75
29	76
30	78
31	85
32	87
33	91
34	93
35	97
36	98
37	102
38	104
39	106
40	108
41	112
42	114
43	118
44	120
45	122
46	124
47	129
48	134
49	136
50	138
51	141
52	143
53	145
54	149
55	152
56	155
57	156
58	158
59	160

[3, 5, 7, 10, 13, 15, 18, 20, 23, 26, 29, 33, 35, 37, 39, 43, 47, 48, 51, 54, 55, 59, 61, 64, 69, 72, 73, 75, 76, 78, 85, 87, 91, 93, 97, 98, 102, 104, 106, 108, 112, 114, 118, 120, 122, 124, 129, 134, 136, 138, 141, 143, 145, 149, 152, 155, 156, 158, 160]

cp's OEIS Frontend

A298862 Rank of n-th twice-prime when all the primes and twice-primes are jointly ranked.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	10
5	13
6	15
7	18
8	20
9	23
10	26
11	29
12	33
13	35
14	37
15	39
16	43
17	47
18	48
19	51
20	54
21	55
22	59
23	61
24	64
25	69
26	72
27	73
28	75
29	76
30	78
31	85
32	87
33	91
34	93
35	97
36	98
37	102
38	104
39	106
40	108
41	112
42	114
43	118
44	120
45	122
46	124
47	129
48	134
49	136
50	138
51	141
52	143
53	145
54	149
55	152
56	155
57	156
58	158
59	160

n	a(n)
1	3
2	5
3	7
4	10
5	13
6	15
7	18
8	20
9	23
10	26
11	29
12	33
13	35
14	37
15	39
16	43
17	47
18	48
19	51
20	54
21	55
22	59
23	61
24	64
25	69
26	72
27	73
28	75
29	76
30	78
31	85
32	87
33	91
34	93
35	97
36	98
37	102
38	104
39	106
40	108
41	112
42	114
43	118
44	120
45	122
46	124
47	129
48	134
49	136
50	138
51	141
52	143
53	145
54	149
55	152
56	155
57	156
58	158
59	160

n	a(n)
1	3
2	5
3	7
4	10
5	13
6	15
7	18
8	20
9	23
10	26
11	29
12	33
13	35
14	37
15	39
16	43
17	47
18	48
19	51
20	54
21	55
22	59
23	61
24	64
25	69
26	72
27	73
28	75
29	76
30	78
31	85
32	87
33	91
34	93
35	97
36	98
37	102
38	104
39	106
40	108
41	112
42	114
43	118
44	120
45	122
46	124
47	129
48	134
49	136
50	138
51	141
52	143
53	145
54	149
55	152
56	155
57	156
58	158
59	160