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.

A001687 a(n) = a(n-2) + a(n-5).

Table of values

n a(n)
0 0
1 1
2 0
3 1
4 0
5 1
6 1
7 1
8 2
9 1
10 3
11 2
12 4
13 4
14 5
15 7
16 7
17 11
18 11
19 16
20 18
21 23
22 29
23 34
24 45
25 52
26 68
27 81
28 102
29 126
30 154
31 194
32 235
33 296
34 361
35 450
36 555
37 685
38 851
39 1046
40 1301
41 1601
42 1986
43 2452
44 3032
45 3753
46 4633
47 5739
48 7085
49 8771
50 10838
51 13404
52 16577
53 20489
54 25348
55 31327

List of values

[0, 1, 0, 1, 0, 1, 1, 1, 2, 1, 3, 2, 4, 4, 5, 7, 7, 11, 11, 16, 18, 23, 29, 34, 45, 52, 68, 81, 102, 126, 154, 194, 235, 296, 361, 450, 555, 685, 851, 1046, 1301, 1601, 1986, 2452, 3032, 3753, 4633, 5739, 7085, 8771, 10838, 13404, 16577, 20489, 25348, 31327]

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

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