A326495 - cp's OEIS frontend

A326495 Number of subsets of {1..n} containing no sums or products of pairs of elements.

n	a(n)
0	1
1	1
2	2
3	4
4	6
5	11
6	17
7	30
8	45
9	71
10	101
11	171
12	258
13	427
14	606
15	988
16	1328
17	2141
18	3116
19	4952
20	6955
21	11031
22	15320
23	23978
24	33379
25	48698
26	66848
27	104852
28	144711
29	220757
30	304132
31	461579
32	636555
33	973842
34	1316512
35	1958827
36	2585432
37	3882842
38	5237092
39	7884276
40	10555738
41	15729292

[1, 1, 2, 4, 6, 11, 17, 30, 45, 71, 101, 171, 258, 427, 606, 988, 1328, 2141, 3116, 4952, 6955, 11031, 15320, 23978, 33379, 48698, 66848, 104852, 144711, 220757, 304132, 461579, 636555, 973842, 1316512, 1958827, 2585432, 3882842, 5237092, 7884276, 10555738, 15729292]

cp's OEIS Frontend

A326495 Number of subsets of {1..n} containing no sums or products of pairs of elements.

Table of values

List of values