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.

A271494 Expansion of (1+16*x)/((1+4*x)*(1-8*x)).

Table of values

n a(n)
0 1
1 20
2 112
3 1088
4 7936
5 66560
6 520192
7 4210688
8 33488896
9 268697600
10 2146435072
11 17184063488
12 137422176256
13 1099578736640
14 8795824586752
15 70369817919488
16 562945658454016
17 4503616807239680
18 36028728299487232
19 288230651029618688
20 2305841909702066176
21 18446748471756062720

List of values

[1, 20, 112, 1088, 7936, 66560, 520192, 4210688, 33488896, 268697600, 2146435072, 17184063488, 137422176256, 1099578736640, 8795824586752, 70369817919488, 562945658454016, 4503616807239680, 36028728299487232, 288230651029618688, 2305841909702066176, 18446748471756062720]