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.

A277253 a(n) = a(n-2) + a(n-3) + a(n-4) for n>3, a(0)=1, a(1)=a(2)=0, a(3)=2.

Table of values

n a(n)
0 1
1 0
2 0
3 2
4 1
5 2
6 3
7 5
8 6
9 10
10 14
11 21
12 30
13 45
14 65
15 96
16 140
17 206
18 301
19 442
20 647
21 949
22 1390
23 2038
24 2986
25 4377
26 6414
27 9401
28 13777
29 20192
30 29592
31 43370
32 63561
33 93154
34 136523
35 200085
36 293238
37 429762
38 629846
39 923085
40 1352846
41 1982693
42 2905777
43 4258624
44 6241316
45 9147094
46 13405717
47 19647034
48 28794127
49 42199845

List of values

[1, 0, 0, 2, 1, 2, 3, 5, 6, 10, 14, 21, 30, 45, 65, 96, 140, 206, 301, 442, 647, 949, 1390, 2038, 2986, 4377, 6414, 9401, 13777, 20192, 29592, 43370, 63561, 93154, 136523, 200085, 293238, 429762, 629846, 923085, 1352846, 1982693, 2905777, 4258624, 6241316, 9147094, 13405717, 19647034, 28794127, 42199845]