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.

A291009 p-INVERT of (1,1,1,1,1,...), where p(S) = (1 - S)*(1 - 3*S).

Table of values

n a(n)
0 4
1 17
2 70
3 284
4 1144
5 4592
6 18400
7 73664
8 294784
9 1179392
10 4718080
11 18873344
12 75495424
13 301985792
14 1207951360
15 4831821824
16 19327320064
17 77309345792
18 309237514240
19 1236950319104
20 4947801800704
21 19791208251392
22 79164835102720
23 316659344605184
24 1266637386809344

List of values

[4, 17, 70, 284, 1144, 4592, 18400, 73664, 294784, 1179392, 4718080, 18873344, 75495424, 301985792, 1207951360, 4831821824, 19327320064, 77309345792, 309237514240, 1236950319104, 4947801800704, 19791208251392, 79164835102720, 316659344605184, 1266637386809344]