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.

A190965 a(n) = 4*a(n-1) - 6*a(n-2), with a(0)=0, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 4
3 10
4 16
5 4
6 -80
7 -344
8 -896
9 -1520
10 -704
11 6304
12 29440
13 79936
14 143104
15 92800
16 -487424
17 -2506496
18 -7101440
19 -13366784
20 -10858496
21 36766720
22 212217856
23 628271104
24 1239777280
25 1189482496
26 -2680733696
27 -17859829760
28 -55354916864
29 -114260688896

List of values

[0, 1, 4, 10, 16, 4, -80, -344, -896, -1520, -704, 6304, 29440, 79936, 143104, 92800, -487424, -2506496, -7101440, -13366784, -10858496, 36766720, 212217856, 628271104, 1239777280, 1189482496, -2680733696, -17859829760, -55354916864, -114260688896]