A370638 - cp's OEIS frontend

A370638 Number of subsets of {1..n} such that a unique set can be obtained by choosing a different binary index of each element.

n	a(n)
0	1
1	2
2	4
3	6
4	12
5	19
6	30
7	45
8	90
9	147
10	230
11	343
12	504
13	716
14	994
15	1352
16	2704
17	4349
18	6469
19	9162
20	12585
21	16862
22	22122
23	28617
24	36653
25	46431
26	58075
27	72097
28	88456
29	107966
30	130742
31	157647
32	315294
33	494967
34	704753
35	950080
36	1234301
37	1565165
38	1945681
39	2387060
40	2890368
41	3470798

[1, 2, 4, 6, 12, 19, 30, 45, 90, 147, 230, 343, 504, 716, 994, 1352, 2704, 4349, 6469, 9162, 12585, 16862, 22122, 28617, 36653, 46431, 58075, 72097, 88456, 107966, 130742, 157647, 315294, 494967, 704753, 950080, 1234301, 1565165, 1945681, 2387060, 2890368, 3470798]

cp's OEIS Frontend

A370638 Number of subsets of {1..n} such that a unique set can be obtained by choosing a different binary index of each element.

Table of values

List of values