A370589 - cp's OEIS frontend

A370589 Number of subsets of {1..n} containing n such that it is not possible to choose a different binary index of each element.

n	a(n)
0	0
1	0
2	0
3	1
4	1
5	6
6	17
7	42
8	67
9	175
10	400
11	870
12	1841
13	3820
14	7837
15	15920
16	30997
17	63370
18	128348
19	258699
20	520042
21	1043284
22	2090732
23	4186382
24	8379022
25	16765549
26	33540664
27	67092258
28	134198633
29	268412631
30	536844414
31	1073710403
32	2147296425
33	4294753612
34	8589686922
35	17179580003

[0, 0, 0, 1, 1, 6, 17, 42, 67, 175, 400, 870, 1841, 3820, 7837, 15920, 30997, 63370, 128348, 258699, 520042, 1043284, 2090732, 4186382, 8379022, 16765549, 33540664, 67092258, 134198633, 268412631, 536844414, 1073710403, 2147296425, 4294753612, 8589686922, 17179580003]

cp's OEIS Frontend

A370589 Number of subsets of {1..n} containing n such that it is not possible to choose a different binary index of each element.

Table of values

List of values