A186973 - cp's OEIS frontend

A186973 Number of subsets of {1, 2, ..., n} containing n and having pairwise coprime elements; also row sums of A186972.

n	a(n)
1	1
2	2
3	4
4	4
5	12
6	4
7	28
8	16
9	32
10	12
11	116
12	16
13	248
14	48
15	72
16	112
17	728
18	64
19	1520
20	192
21	384
22	256
23	3872
24	256
25	3168
26	736
27	2752
28	832
29	15488
30	256
31	31232
32	7424
33	6272
34	4096
35	9600
36	1792
37	91648
38	9344
39	16000
40	5632
41	214272
42	3072
43	431616
44	37376
45	38912
46	43008
47	982528

[1, 2, 4, 4, 12, 4, 28, 16, 32, 12, 116, 16, 248, 48, 72, 112, 728, 64, 1520, 192, 384, 256, 3872, 256, 3168, 736, 2752, 832, 15488, 256, 31232, 7424, 6272, 4096, 9600, 1792, 91648, 9344, 16000, 5632, 214272, 3072, 431616, 37376, 38912, 43008, 982528]

cp's OEIS Frontend

A186973 Number of subsets of {1, 2, ..., n} containing n and having pairwise coprime elements; also row sums of A186972.

Table of values

List of values