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.

A376647 a(n) = Sum_{k=0..floor(n/3)} binomial(floor(k/2),n-3*k).

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 0
5 0
6 1
7 1
8 0
9 1
10 1
11 0
12 1
13 2
14 1
15 1
16 2
17 1
18 1
19 3
20 3
21 2
22 3
23 3
24 2
25 4
26 6
27 5
28 5
29 6
30 5
31 6
32 10
33 11
34 10
35 11
36 11
37 11
38 16
39 21
40 21
41 21
42 22
43 22
44 27
45 37
46 42
47 42
48 43
49 44
50 49
51 64
52 79
53 84
54 85
55 87
56 93
57 113
58 143
59 163
60 169
61 172
62 180
63 206
64 256
65 306
66 332
67 341
68 352
69 386
70 462
71 562

List of values

[1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 2, 1, 1, 2, 1, 1, 3, 3, 2, 3, 3, 2, 4, 6, 5, 5, 6, 5, 6, 10, 11, 10, 11, 11, 11, 16, 21, 21, 21, 22, 22, 27, 37, 42, 42, 43, 44, 49, 64, 79, 84, 85, 87, 93, 113, 143, 163, 169, 172, 180, 206, 256, 306, 332, 341, 352, 386, 462, 562]