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.

A116526 a(0)=1, a(1)=1, a(n) = 9*a(n/2) for even n >= 2, and a(n) = 8*a((n-1)/2) + a((n+1)/2) for odd n >= 3.

Table of values

n a(n)
0 0
1 1
2 9
3 17
4 81
5 89
6 153
7 217
8 729
9 737
10 801
11 865
12 1377
13 1441
14 1953
15 2465
16 6561
17 6569
18 6633
19 6697
20 7209
21 7273
22 7785
23 8297
24 12393
25 12457
26 12969
27 13481
28 17577
29 18089
30 22185
31 26281
32 59049
33 59057
34 59121
35 59185
36 59697
37 59761
38 60273
39 60785
40 64881
41 64945
42 65457
43 65969

List of values

[0, 1, 9, 17, 81, 89, 153, 217, 729, 737, 801, 865, 1377, 1441, 1953, 2465, 6561, 6569, 6633, 6697, 7209, 7273, 7785, 8297, 12393, 12457, 12969, 13481, 17577, 18089, 22185, 26281, 59049, 59057, 59121, 59185, 59697, 59761, 60273, 60785, 64881, 64945, 65457, 65969]