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.

A224840 Divisor sum of the arithmetic function A085945(n).

Table of values

n a(n)
1 1
2 3
3 6
4 14
5 27
6 61
7 117
8 250
9 494
10 1012
11 2007
12 4088
13 8112
14 16357
15 32635
16 65493
17 130779
18 262115
19 523710
20 1048502
21 2096110
22 4194124
23 8386419
24 16777182
25 33550085
26 67108507
27 134209495
28 268434899
29 536853987
30 1073741664
31 2147449815
32 4294966187
33 8589868975
34 17179866799

List of values

[1, 3, 6, 14, 27, 61, 117, 250, 494, 1012, 2007, 4088, 8112, 16357, 32635, 65493, 130779, 262115, 523710, 1048502, 2096110, 4194124, 8386419, 16777182, 33550085, 67108507, 134209495, 268434899, 536853987, 1073741664, 2147449815, 4294966187, 8589868975, 17179866799]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.