cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A245470 Smallest multiple of n such that, when expressed in binary, in the string of bits the binary representation of n occurs after the n-1 most significant bits.

Table of values

n a(n)
1 1
2 6
3 15
4 36
5 85
6 150
7 287
8 1032
9 2169
10 4170
11 8283
12 16428
13 32877
14 65646
15 131295
16 524304
17 1048849
18 2097234
19 4194611
20 8388660
21 16777845
22 33554774
23 67109239
24 134217816
25 268436025
26 536871322
27 1073742075
28 2147483772
29 4294967773
30 8589935070
31 17179869695
32 68719476768
33 137438955489
34 274877908002
35 549755814755
36 1099511627940

List of values

[1, 6, 15, 36, 85, 150, 287, 1032, 2169, 4170, 8283, 16428, 32877, 65646, 131295, 524304, 1048849, 2097234, 4194611, 8388660, 16777845, 33554774, 67109239, 134217816, 268436025, 536871322, 1073742075, 2147483772, 4294967773, 8589935070, 17179869695, 68719476768, 137438955489, 274877908002, 549755814755, 1099511627940]