A370640 - cp's OEIS frontend

A370640 Number of maximal subsets of {1..n} such that it is possible to choose a different binary index of each element.

n	a(n)
0	1
1	1
2	1
3	3
4	3
5	8
6	17
7	32
8	32
9	77
10	144
11	242
12	383
13	580
14	843
15	1201
16	1201
17	2694
18	4614
19	7096
20	10219
21	14186
22	19070
23	25207
24	32791
25	42160
26	53329
27	66993
28	82811
29	101963
30	124381
31	151286
32	151286
33	324695
34	526866
35	764438
36	1038089
37	1358129
38	1725921
39	2154668
40	2640365
41	3202985

[1, 1, 1, 3, 3, 8, 17, 32, 32, 77, 144, 242, 383, 580, 843, 1201, 1201, 2694, 4614, 7096, 10219, 14186, 19070, 25207, 32791, 42160, 53329, 66993, 82811, 101963, 124381, 151286, 151286, 324695, 526866, 764438, 1038089, 1358129, 1725921, 2154668, 2640365, 3202985]

cp's OEIS Frontend

A370640 Number of maximal subsets of {1..n} such that it is possible to choose a different binary index of each element.

Table of values

List of values