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.

A138635 a(n) =3*a(n-3)-3*a(n-6)+2*a(n-9).

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 1
5 1
6 1
7 2
8 1
9 3
10 3
11 2
12 6
13 5
14 5
15 11
16 10
17 11
18 21
19 21
20 22
21 42
22 43
23 43
24 85
25 86
26 85
27 171
28 171
29 170
30 342
31 341
32 341
33 683
34 682
35 683
36 1365
37 1365
38 1366
39 2730
40 2731
41 2731
42 5461
43 5462
44 5461
45 10923
46 10923
47 10922
48 21846
49 21845
50 21845
51 43691
52 43690
53 43691
54 87381

List of values

[0, 0, 1, 0, 1, 1, 1, 2, 1, 3, 3, 2, 6, 5, 5, 11, 10, 11, 21, 21, 22, 42, 43, 43, 85, 86, 85, 171, 171, 170, 342, 341, 341, 683, 682, 683, 1365, 1365, 1366, 2730, 2731, 2731, 5461, 5462, 5461, 10923, 10923, 10922, 21846, 21845, 21845, 43691, 43690, 43691, 87381]

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

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