A260107 - cp's OEIS frontend

A260107 Lexicographically first increasing sequence of positive integers such that there are exactly a(k) terms less than or equal to 3*a(k), for each k.

n	a(n)
1	1
2	4
3	5
4	6
5	13
6	16
7	19
8	20
9	21
10	22
11	23
12	24
13	25
14	40
15	41
16	42
17	49
18	50
19	51
20	58
21	61
22	64
23	67
24	70
25	73
26	76
27	77
28	78
29	79
30	80
31	81
32	82
33	83
34	84
35	85
36	86
37	87
38	88
39	89
40	90
41	121
42	124
43	127
44	128
45	129
46	130
47	131
48	132
49	133
50	148
51	151
52	154
53	155
54	156
55	157
56	158
57	159
58	160
59	175
60	176

[1, 4, 5, 6, 13, 16, 19, 20, 21, 22, 23, 24, 25, 40, 41, 42, 49, 50, 51, 58, 61, 64, 67, 70, 73, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 121, 124, 127, 128, 129, 130, 131, 132, 133, 148, 151, 154, 155, 156, 157, 158, 159, 160, 175, 176]

cp's OEIS Frontend

A260107 Lexicographically first increasing sequence of positive integers such that there are exactly a(k) terms less than or equal to 3*a(k), for each k.

Table of values

List of values

n	a(n)
1	1
2	4
3	5
4	6
5	13
6	16
7	19
8	20
9	21
10	22
11	23
12	24
13	25
14	40
15	41
16	42
17	49
18	50
19	51
20	58
21	61
22	64
23	67
24	70
25	73
26	76
27	77
28	78
29	79
30	80
31	81
32	82
33	83
34	84
35	85
36	86
37	87
38	88
39	89
40	90
41	121
42	124
43	127
44	128
45	129
46	130
47	131
48	132
49	133
50	148
51	151
52	154
53	155
54	156
55	157
56	158
57	159
58	160
59	175
60	176

n	a(n)
1	1
2	4
3	5
4	6
5	13
6	16
7	19
8	20
9	21
10	22
11	23
12	24
13	25
14	40
15	41
16	42
17	49
18	50
19	51
20	58
21	61
22	64
23	67
24	70
25	73
26	76
27	77
28	78
29	79
30	80
31	81
32	82
33	83
34	84
35	85
36	86
37	87
38	88
39	89
40	90
41	121
42	124
43	127
44	128
45	129
46	130
47	131
48	132
49	133
50	148
51	151
52	154
53	155
54	156
55	157
56	158
57	159
58	160
59	175
60	176

n	a(n)
1	1
2	4
3	5
4	6
5	13
6	16
7	19
8	20
9	21
10	22
11	23
12	24
13	25
14	40
15	41
16	42
17	49
18	50
19	51
20	58
21	61
22	64
23	67
24	70
25	73
26	76
27	77
28	78
29	79
30	80
31	81
32	82
33	83
34	84
35	85
36	86
37	87
38	88
39	89
40	90
41	121
42	124
43	127
44	128
45	129
46	130
47	131
48	132
49	133
50	148
51	151
52	154
53	155
54	156
55	157
56	158
57	159
58	160
59	175
60	176