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.

A131300 a(n) = 3*a(n-1) - 2*a(n-2) - a(n-3) + a(n-4) with n>3, a(0)=1, a(1)=2, a(2)=3, a(3)=7.

Table of values

n a(n)
0 1
1 2
2 3
3 7
4 14
5 27
6 49
7 86
8 147
9 247
10 410
11 675
12 1105
13 1802
14 2931
15 4759
16 7718
17 12507
18 20257
19 32798
20 53091
21 85927
22 139058
23 225027
24 364129
25 589202
26 953379
27 1542631
28 2496062
29 4038747
30 6534865
31 10573670
32 17108595
33 27682327
34 44790986
35 72473379
36 117264433
37 189737882

List of values

[1, 2, 3, 7, 14, 27, 49, 86, 147, 247, 410, 675, 1105, 1802, 2931, 4759, 7718, 12507, 20257, 32798, 53091, 85927, 139058, 225027, 364129, 589202, 953379, 1542631, 2496062, 4038747, 6534865, 10573670, 17108595, 27682327, 44790986, 72473379, 117264433, 189737882]