A004081 - cp's OEIS frontend

A004081 a(n) = n-th positive integer such that only one integer lies between exp(s(m)) and exp(s(m+1)), where s(m) = 1 + 1/2 + 1/3 + . . . + 1/m.

n	a(n)
1	4
2	8
3	13
4	17
5	22
6	26
7	31
8	36
9	40
10	45
11	49
12	54
13	58
14	63
15	68
16	72
17	77
18	81
19	86
20	90
21	95
22	99
23	104
24	109
25	113
26	118
27	122
28	127
29	131
30	136
31	141
32	145
33	150
34	154
35	159
36	163
37	168
38	173
39	177
40	182
41	186
42	191
43	195
44	200

[4, 8, 13, 17, 22, 26, 31, 36, 40, 45, 49, 54, 58, 63, 68, 72, 77, 81, 86, 90, 95, 99, 104, 109, 113, 118, 122, 127, 131, 136, 141, 145, 150, 154, 159, 163, 168, 173, 177, 182, 186, 191, 195, 200]

cp's OEIS Frontend

A004081 a(n) = n-th positive integer such that only one integer lies between exp(s(m)) and exp(s(m+1)), where s(m) = 1 + 1/2 + 1/3 + . . . + 1/m.

Table of values

List of values

n	a(n)
1	4
2	8
3	13
4	17
5	22
6	26
7	31
8	36
9	40
10	45
11	49
12	54
13	58
14	63
15	68
16	72
17	77
18	81
19	86
20	90
21	95
22	99
23	104
24	109
25	113
26	118
27	122
28	127
29	131
30	136
31	141
32	145
33	150
34	154
35	159
36	163
37	168
38	173
39	177
40	182
41	186
42	191
43	195
44	200

n	a(n)
1	4
2	8
3	13
4	17
5	22
6	26
7	31
8	36
9	40
10	45
11	49
12	54
13	58
14	63
15	68
16	72
17	77
18	81
19	86
20	90
21	95
22	99
23	104
24	109
25	113
26	118
27	122
28	127
29	131
30	136
31	141
32	145
33	150
34	154
35	159
36	163
37	168
38	173
39	177
40	182
41	186
42	191
43	195
44	200

n	a(n)
1	4
2	8
3	13
4	17
5	22
6	26
7	31
8	36
9	40
10	45
11	49
12	54
13	58
14	63
15	68
16	72
17	77
18	81
19	86
20	90
21	95
22	99
23	104
24	109
25	113
26	118
27	122
28	127
29	131
30	136
31	141
32	145
33	150
34	154
35	159
36	163
37	168
38	173
39	177
40	182
41	186
42	191
43	195
44	200