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.

A079496 a(0) = a(1) = 1; thereafter a(2*n+1) = 2*a(2*n) - a(2*n-1), a(2*n) = 4*a(2*n-1) - a(2*n-2).

Table of values

n a(n)
0 1
1 1
2 3
3 5
4 17
5 29
6 99
7 169
8 577
9 985
10 3363
11 5741
12 19601
13 33461
14 114243
15 195025
16 665857
17 1136689
18 3880899
19 6625109
20 22619537
21 38613965
22 131836323
23 225058681
24 768398401
25 1311738121
26 4478554083
27 7645370045
28 26102926097
29 44560482149
30 152139002499
31 259717522849
32 886731088897

List of values

[1, 1, 3, 5, 17, 29, 99, 169, 577, 985, 3363, 5741, 19601, 33461, 114243, 195025, 665857, 1136689, 3880899, 6625109, 22619537, 38613965, 131836323, 225058681, 768398401, 1311738121, 4478554083, 7645370045, 26102926097, 44560482149, 152139002499, 259717522849, 886731088897]