A370590 - cp's OEIS frontend

A370590 Number of maximal subsets of {1..n} containing n such that it is possible to choose a different prime factor of each element (choosable).

n	a(n)
0	0
1	0
2	1
3	1
4	1
5	2
6	3
7	5
8	2
9	4
10	14
11	25
12	13
13	38
14	46
15	66
16	28
17	178
18	57
19	235
20	106
21	238
22	656
23	1235
24	288
25	445
26	2192
27	664
28	2016
29	6840
30	2300
31	9140
32	888
33	6236
34	17692
35	14724
36	7320
37	56000
38	60472
39	70252
40	37160
41	223884
42	66428
43	290312
44	113172
45	80544
46	517392
47	1001420
48	114336

[0, 0, 1, 1, 1, 2, 3, 5, 2, 4, 14, 25, 13, 38, 46, 66, 28, 178, 57, 235, 106, 238, 656, 1235, 288, 445, 2192, 664, 2016, 6840, 2300, 9140, 888, 6236, 17692, 14724, 7320, 56000, 60472, 70252, 37160, 223884, 66428, 290312, 113172, 80544, 517392, 1001420, 114336]

cp's OEIS Frontend

A370590 Number of maximal subsets of {1..n} containing n such that it is possible to choose a different prime factor of each element (choosable).

Table of values

List of values