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.

A108012 a(n)= 8*a(n-1) -16*a(n-2) +4*a(n-4).

Table of values

n a(n)
0 0
1 4
2 18
3 76
4 320
5 1360
6 5832
7 25200
8 109568
9 478784
10 2100512
11 9244352
12 40784896
13 180284672
14 798121088
15 3537391360
16 15692333056
17 69661541376
18 309407486464
19 1374824795136
20 6110847909888
21 27168232722432
22 120809925167104

List of values

[0, 4, 18, 76, 320, 1360, 5832, 25200, 109568, 478784, 2100512, 9244352, 40784896, 180284672, 798121088, 3537391360, 15692333056, 69661541376, 309407486464, 1374824795136, 6110847909888, 27168232722432, 120809925167104]