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.

A049853 a(n) = a(n-1) + Sum_{k=0..n-3} a(k) for n >= 2, a(0)=1, a(1)=2.

Table of values

n a(n)
0 1
1 2
2 2
3 3
4 6
5 11
6 19
7 33
8 58
9 102
10 179
11 314
12 551
13 967
14 1697
15 2978
16 5226
17 9171
18 16094
19 28243
20 49563
21 86977
22 152634
23 267854
24 470051
25 824882
26 1447567
27 2540303
28 4457921
29 7823106
30 13728594
31 24092003
32 42278518
33 74193627

List of values

[1, 2, 2, 3, 6, 11, 19, 33, 58, 102, 179, 314, 551, 967, 1697, 2978, 5226, 9171, 16094, 28243, 49563, 86977, 152634, 267854, 470051, 824882, 1447567, 2540303, 4457921, 7823106, 13728594, 24092003, 42278518, 74193627]