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.

A171066 G.f. -x*(x-1)*(1+x)/(1-x-9*x^2-x^3+x^4).

Table of values

n a(n)
0 0
1 1
2 1
3 9
4 19
5 100
6 279
7 1189
8 3781
9 14661
10 49600
11 184141
12 641421
13 2333629
14 8240959
15 29700900
16 105561739
17 378777169
18 1350292761
19 4835148121
20 17260998400
21 61748847081
22 220582688041
23 788748162049
24 2818480203099
25 10076047502500

List of values

[0, 1, 1, 9, 19, 100, 279, 1189, 3781, 14661, 49600, 184141, 641421, 2333629, 8240959, 29700900, 105561739, 378777169, 1350292761, 4835148121, 17260998400, 61748847081, 220582688041, 788748162049, 2818480203099, 10076047502500]