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.

A383892 Expansion of 1/( ((1-x)*(1-2*x)*(1-3*x)*(1-4*x))^2 * (1-5*x) ).

Table of values

n a(n)
0 1
1 25
2 355
3 3775
4 33502
5 262570
6 1880090
7 12574850
8 79778303
9 485441135
10 2856558005
11 16358449625
12 91615095204
13 503740623720
14 2727832278900
15 14584759018500
16 77152991893005
17 404503014170325
18 2104862289863575
19 10883633564375875
20 55976319375728506
21 286601257317512950

List of values

[1, 25, 355, 3775, 33502, 262570, 1880090, 12574850, 79778303, 485441135, 2856558005, 16358449625, 91615095204, 503740623720, 2727832278900, 14584759018500, 77152991893005, 404503014170325, 2104862289863575, 10883633564375875, 55976319375728506, 286601257317512950]