A298861 - cp's OEIS frontend

A298861 Rank of n-th prime when all the primes and twice-primes are jointly ranked.

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	9
7	11
8	12
9	14
10	16
11	17
12	19
13	21
14	22
15	24
16	25
17	27
18	28
19	30
20	31
21	32
22	34
23	36
24	38
25	40
26	41
27	42
28	44
29	45
30	46
31	49
32	50
33	52
34	53
35	56
36	57
37	58
38	60
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	74
48	77
49	79
50	80
51	81
52	82
53	83
54	84
55	86
56	88
57	89
58	90
59	92
60	94
61	95
62	96
63	99
64	100
65	101

[1, 2, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 28, 30, 31, 32, 34, 36, 38, 40, 41, 42, 44, 45, 46, 49, 50, 52, 53, 56, 57, 58, 60, 62, 63, 65, 66, 67, 68, 70, 71, 74, 77, 79, 80, 81, 82, 83, 84, 86, 88, 89, 90, 92, 94, 95, 96, 99, 100, 101]

cp's OEIS Frontend

A298861 Rank of n-th prime when all the primes and twice-primes are jointly ranked.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	9
7	11
8	12
9	14
10	16
11	17
12	19
13	21
14	22
15	24
16	25
17	27
18	28
19	30
20	31
21	32
22	34
23	36
24	38
25	40
26	41
27	42
28	44
29	45
30	46
31	49
32	50
33	52
34	53
35	56
36	57
37	58
38	60
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	74
48	77
49	79
50	80
51	81
52	82
53	83
54	84
55	86
56	88
57	89
58	90
59	92
60	94
61	95
62	96
63	99
64	100
65	101

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	9
7	11
8	12
9	14
10	16
11	17
12	19
13	21
14	22
15	24
16	25
17	27
18	28
19	30
20	31
21	32
22	34
23	36
24	38
25	40
26	41
27	42
28	44
29	45
30	46
31	49
32	50
33	52
34	53
35	56
36	57
37	58
38	60
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	74
48	77
49	79
50	80
51	81
52	82
53	83
54	84
55	86
56	88
57	89
58	90
59	92
60	94
61	95
62	96
63	99
64	100
65	101

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	9
7	11
8	12
9	14
10	16
11	17
12	19
13	21
14	22
15	24
16	25
17	27
18	28
19	30
20	31
21	32
22	34
23	36
24	38
25	40
26	41
27	42
28	44
29	45
30	46
31	49
32	50
33	52
34	53
35	56
36	57
37	58
38	60
39	62
40	63
41	65
42	66
43	67
44	68
45	70
46	71
47	74
48	77
49	79
50	80
51	81
52	82
53	83
54	84
55	86
56	88
57	89
58	90
59	92
60	94
61	95
62	96
63	99
64	100
65	101