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.

A189317 Expansion of 5*(1-6*x+x^2)/(1-10*x+5*x^2).

Table of values

n a(n)
0 5
1 20
2 180
3 1700
4 16100
5 152500
6 1444500
7 13682500
8 129602500
9 1227612500
10 11628112500
11 110143062500
12 1043290062500
13 9882185312500
14 93605402812500
15 886643101562500
16 8398404001562500
17 79550824507812500
18 753516225070312500
19 7137408128164062500

List of values

[5, 20, 180, 1700, 16100, 152500, 1444500, 13682500, 129602500, 1227612500, 11628112500, 110143062500, 1043290062500, 9882185312500, 93605402812500, 886643101562500, 8398404001562500, 79550824507812500, 753516225070312500, 7137408128164062500]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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