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.

A162770 a(n) = ((2+sqrt(5))*(1+sqrt(5))^n + (2-sqrt(5))*(1-sqrt(5))^n)/2.

Table of values

n a(n)
0 2
1 7
2 22
3 72
4 232
5 752
6 2432
7 7872
8 25472
9 82432
10 266752
11 863232
12 2793472
13 9039872
14 29253632
15 94666752
16 306348032
17 991363072
18 3208118272
19 10381688832
20 33595850752
21 108718456832
22 351820316672
23 1138514460672
24 3684310188032

List of values

[2, 7, 22, 72, 232, 752, 2432, 7872, 25472, 82432, 266752, 863232, 2793472, 9039872, 29253632, 94666752, 306348032, 991363072, 3208118272, 10381688832, 33595850752, 108718456832, 351820316672, 1138514460672, 3684310188032]