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.

A188381 Negabinary Keith numbers.

Table of values

n a(n)
1 2
2 3
3 4
4 7
5 9
6 13
7 16
8 36
9 55
10 64
11 162
12 256
13 458
14 1024
15 1829
16 4096
17 7316
18 15119
19 16384
20 18970
21 37702
22 37723
23 45171
24 60476
25 65536
26 84506
27 262144
28 277263
29 1048576
30 1109052
31 1722002
32 2160570
33 4194304
34 10549178
35 12699958
36 15084573
37 16777216
38 31921069
39 67108864

List of values

[2, 3, 4, 7, 9, 13, 16, 36, 55, 64, 162, 256, 458, 1024, 1829, 4096, 7316, 15119, 16384, 18970, 37702, 37723, 45171, 60476, 65536, 84506, 262144, 277263, 1048576, 1109052, 1722002, 2160570, 4194304, 10549178, 12699958, 15084573, 16777216, 31921069, 67108864]