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.

A175899 a(n) = a(n-2) + a(n-3) + 2*a(n-4), with a(1) = 0, a(2) = 2, a(3) = 3, a(4) = 10.

Table of values

n a(n)
1 0
2 2
3 3
4 10
5 5
6 17
7 21
8 42
9 48
10 97
11 132
12 229
13 325
14 555
15 818
16 1338
17 2023
18 3266
19 4997
20 7965
21 12309
22 19494
23 30268
24 47733
25 74380
26 116989
27 182649
28 286835
29 448398
30 703462
31 1100531
32 1725530
33 2700789
34 4232985
35 6627381
36 10384834
37 16261944
38 25478185
39 39901540
40 62509797

List of values

[0, 2, 3, 10, 5, 17, 21, 42, 48, 97, 132, 229, 325, 555, 818, 1338, 2023, 3266, 4997, 7965, 12309, 19494, 30268, 47733, 74380, 116989, 182649, 286835, 448398, 703462, 1100531, 1725530, 2700789, 4232985, 6627381, 10384834, 16261944, 25478185, 39901540, 62509797]