A067895 - cp's OEIS frontend

A067895 Write 2^n, 2^n+1, 2^n+2, ..., 2^(n+1)-1 in binary and add as if they were decimal numbers.

n	a(n)
0	1
1	21
2	422
3	8444
4	168888
5	3377776
6	67555552
7	1351111104
8	27022222208
9	540444444416
10	10808888888832
11	216177777777664
12	4323555555555328
13	86471111111110656
14	1729422222222221312
15	34588444444444442624
16	691768888888888885248
17	13835377777777777770496
18	276707555555555555540992

[1, 21, 422, 8444, 168888, 3377776, 67555552, 1351111104, 27022222208, 540444444416, 10808888888832, 216177777777664, 4323555555555328, 86471111111110656, 1729422222222221312, 34588444444444442624, 691768888888888885248, 13835377777777777770496, 276707555555555555540992]

cp's OEIS Frontend

A067895 Write 2^n, 2^n+1, 2^n+2, ..., 2^(n+1)-1 in binary and add as if they were decimal numbers.

Table of values

List of values