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.

A017817 a(n) = a(n-3) + a(n-4), with a(0)=1, a(1)=a(2)=0, a(3)=1.

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 1
5 0
6 1
7 2
8 1
9 1
10 3
11 3
12 2
13 4
14 6
15 5
16 6
17 10
18 11
19 11
20 16
21 21
22 22
23 27
24 37
25 43
26 49
27 64
28 80
29 92
30 113
31 144
32 172
33 205
34 257
35 316
36 377
37 462
38 573
39 693
40 839
41 1035
42 1266
43 1532
44 1874
45 2301
46 2798
47 3406
48 4175
49 5099
50 6204
51 7581
52 9274
53 11303
54 13785
55 16855
56 20577
57 25088

List of values

[1, 0, 0, 1, 1, 0, 1, 2, 1, 1, 3, 3, 2, 4, 6, 5, 6, 10, 11, 11, 16, 21, 22, 27, 37, 43, 49, 64, 80, 92, 113, 144, 172, 205, 257, 316, 377, 462, 573, 693, 839, 1035, 1266, 1532, 1874, 2301, 2798, 3406, 4175, 5099, 6204, 7581, 9274, 11303, 13785, 16855, 20577, 25088]