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.

A128625 Expansion of (1+3*x)/(1-5*x).

Table of values

n a(n)
0 1
1 8
2 40
3 200
4 1000
5 5000
6 25000
7 125000
8 625000
9 3125000
10 15625000
11 78125000
12 390625000
13 1953125000
14 9765625000
15 48828125000
16 244140625000
17 1220703125000
18 6103515625000
19 30517578125000
20 152587890625000
21 762939453125000
22 3814697265625000
23 19073486328125000

List of values

[1, 8, 40, 200, 1000, 5000, 25000, 125000, 625000, 3125000, 15625000, 78125000, 390625000, 1953125000, 9765625000, 48828125000, 244140625000, 1220703125000, 6103515625000, 30517578125000, 152587890625000, 762939453125000, 3814697265625000, 19073486328125000]