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.

A162272 a(n) = ((1+sqrt(3))*(5+sqrt(3))^n + (1-sqrt(3))*(5-sqrt(3))^n)/2.

Table of values

n a(n)
0 1
1 8
2 58
3 404
4 2764
5 18752
6 126712
7 854576
8 5758096
9 38780288
10 261124768
11 1758081344
12 11836068544
13 79682895872
14 536435450752
15 3611330798336
16 24311728066816
17 163668003104768
18 1101822013577728
19 7417524067472384
20 49935156376013824
21 336166034275745792
22 2263086902485153792

List of values

[1, 8, 58, 404, 2764, 18752, 126712, 854576, 5758096, 38780288, 261124768, 1758081344, 11836068544, 79682895872, 536435450752, 3611330798336, 24311728066816, 163668003104768, 1101822013577728, 7417524067472384, 49935156376013824, 336166034275745792, 2263086902485153792]