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.

A051109 Expansion of g.f. (1+2*x+5*x^2)/(1-10*x^3).

Table of values

n a(n)
0 1
1 2
2 5
3 10
4 20
5 50
6 100
7 200
8 500
9 1000
10 2000
11 5000
12 10000
13 20000
14 50000
15 100000
16 200000
17 500000
18 1000000
19 2000000
20 5000000
21 10000000
22 20000000
23 50000000
24 100000000
25 200000000
26 500000000
27 1000000000
28 2000000000
29 5000000000
30 10000000000
31 20000000000
32 50000000000

List of values

[1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, 2000, 5000, 10000, 20000, 50000, 100000, 200000, 500000, 1000000, 2000000, 5000000, 10000000, 20000000, 50000000, 100000000, 200000000, 500000000, 1000000000, 2000000000, 5000000000, 10000000000, 20000000000, 50000000000]