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.

A265387 Sequence defined by a(1)=a(2)=1 and a(n) = gray(a(n-1)) + gray(a(n-2)), with gray(m) = A003188(m).

Table of values

n a(n)
1 1
2 1
3 2
4 4
5 9
6 19
7 39
8 78
9 157
10 316
11 629
12 1265
13 2520
14 5053
15 10135
16 20159
17 40508
18 80642
19 161701
20 324346
21 645118
22 1296264
23 2580557
24 5174455
25 10379095
26 20643816
27 41480472
28 82577840
29 165582588
30 332131050
31 660602145
32 1327375184
33 2642491049
34 5298643189

List of values

[1, 1, 2, 4, 9, 19, 39, 78, 157, 316, 629, 1265, 2520, 5053, 10135, 20159, 40508, 80642, 161701, 324346, 645118, 1296264, 2580557, 5174455, 10379095, 20643816, 41480472, 82577840, 165582588, 332131050, 660602145, 1327375184, 2642491049, 5298643189]