A354780 - cp's OEIS frontend

A354780 a(n) is the bitwise OR of (the binary expansions of) b(n+1) to b(2*n), where b is A354169.

n	a(n)
1	2
2	12
3	27
4	115
5	252
6	1004
7	2013
8	4031
9	16307
10	32631
11	65279
12	261375
13	524270
14	2096110
15	4194253
16	8386527
17	16773119
18	67096575
19	134217659
20	536854459
21	1073741623
22	2147450751
23	4294901759
24	17179672575
25	34359737599
26	137438690559
27	274877382143
28	549754765311
29	2199022205950
30	4398044412927
31	8796093022189
32	35184367894509
33	70368744175567

[2, 12, 27, 115, 252, 1004, 2013, 4031, 16307, 32631, 65279, 261375, 524270, 2096110, 4194253, 8386527, 16773119, 67096575, 134217659, 536854459, 1073741623, 2147450751, 4294901759, 17179672575, 34359737599, 137438690559, 274877382143, 549754765311, 2199022205950, 4398044412927, 8796093022189, 35184367894509, 70368744175567]

cp's OEIS Frontend

A354780 a(n) is the bitwise OR of (the binary expansions of) b(n+1) to b(2*n), where b is A354169.

Table of values

List of values