A339638 - cp's OEIS frontend

A339638 Number of nonempty sets of distinct positive integers that have a least common multiple <= n.

n	a(n)
1	1
2	3
3	5
4	9
5	11
6	21
7	23
8	31
9	35
10	45
11	47
12	91
13	93
14	103
15	113
16	129
17	131
18	175
19	177
20	221
21	231
22	241
23	243
24	427
25	431
26	441
27	449
28	493
29	495
30	713
31	715
32	747
33	757
34	767
35	777
36	1177
37	1179
38	1189
39	1199
40	1383
41	1385
42	1603
43	1605
44	1649
45	1693
46	1703
47	1705
48	2457
49	2461
50	2505
51	2515
52	2559
53	2561
54	2745
55	2755

[1, 3, 5, 9, 11, 21, 23, 31, 35, 45, 47, 91, 93, 103, 113, 129, 131, 175, 177, 221, 231, 241, 243, 427, 431, 441, 449, 493, 495, 713, 715, 747, 757, 767, 777, 1177, 1179, 1189, 1199, 1383, 1385, 1603, 1605, 1649, 1693, 1703, 1705, 2457, 2461, 2505, 2515, 2559, 2561, 2745, 2755]

cp's OEIS Frontend

A339638 Number of nonempty sets of distinct positive integers that have a least common multiple <= n.

Table of values

List of values