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.

A099562 Sum C(n-4k,k-1), k=0..floor(n/5).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 1
7 1
8 1
9 1
10 3
11 4
12 5
13 6
14 7
15 11
16 15
17 20
18 26
19 33
20 45
21 60
22 80
23 106
24 139
25 185
26 245
27 325
28 431
29 570
30 756
31 1001
32 1326
33 1757
34 2327
35 3084
36 4085
37 5411
38 7168
39 9495
40 12580
41 16665
42 22076
43 29244
44 38739
45 51320
46 67985
47 90061
48 119305
49 158044
50 209365

List of values

[0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 3, 4, 5, 6, 7, 11, 15, 20, 26, 33, 45, 60, 80, 106, 139, 185, 245, 325, 431, 570, 756, 1001, 1326, 1757, 2327, 3084, 4085, 5411, 7168, 9495, 12580, 16665, 22076, 29244, 38739, 51320, 67985, 90061, 119305, 158044, 209365]

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

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