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.

A245376 G.f.: Sum_{n>=0} x^n / ( (1+x)^(n+1) * (1 - 5*(n+1)*x) ).

Table of values

n a(n)
0 1
1 5
2 30
3 200
4 1550
5 14000
6 144500
7 1662500
8 20952500
9 286437500
10 4221312500
11 66703437500
12 1124194062500
13 20109785937500
14 380209901562500
15 7571141773437500
16 158312671414062500
17 3466819503710937500
18 79316483272226562500
19 1891747084452148437500
20 46942864023040039062500

List of values

[1, 5, 30, 200, 1550, 14000, 144500, 1662500, 20952500, 286437500, 4221312500, 66703437500, 1124194062500, 20109785937500, 380209901562500, 7571141773437500, 158312671414062500, 3466819503710937500, 79316483272226562500, 1891747084452148437500, 46942864023040039062500]