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.

A059502 a(n) = (3*n*F(2n-1) + (3-n)*F(2n))/5 where F() = Fibonacci numbers A000045.

Table of values

n a(n)
0 0
1 1
2 3
3 9
4 27
5 80
6 234
7 677
8 1941
9 5523
10 15615
11 43906
12 122868
13 342409
14 950727
15 2631165
16 7260579
17 19982612
18 54865566
19 150316973
20 411015705
21 1121818311
22 3056773383
23 8316416134
24 22593883752
25 61301547025
26 166118284299
27 449639574897
28 1215751720491
29 3283883157848

List of values

[0, 1, 3, 9, 27, 80, 234, 677, 1941, 5523, 15615, 43906, 122868, 342409, 950727, 2631165, 7260579, 19982612, 54865566, 150316973, 411015705, 1121818311, 3056773383, 8316416134, 22593883752, 61301547025, 166118284299, 449639574897, 1215751720491, 3283883157848]