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.

A136252 a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3).

Table of values

n a(n)
0 1
1 3
2 5
3 9
4 13
5 21
6 29
7 45
8 61
9 93
10 125
11 189
12 253
13 381
14 509
15 765
16 1021
17 1533
18 2045
19 3069
20 4093
21 6141
22 8189
23 12285
24 16381
25 24573
26 32765
27 49149
28 65533
29 98301
30 131069
31 196605
32 262141
33 393213
34 524285
35 786429
36 1048573
37 1572861
38 2097149
39 3145725
40 4194301
41 6291453
42 8388605

List of values

[1, 3, 5, 9, 13, 21, 29, 45, 61, 93, 125, 189, 253, 381, 509, 765, 1021, 1533, 2045, 3069, 4093, 6141, 8189, 12285, 16381, 24573, 32765, 49149, 65533, 98301, 131069, 196605, 262141, 393213, 524285, 786429, 1048573, 1572861, 2097149, 3145725, 4194301, 6291453, 8388605]

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

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