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.

A156087 One ninth of the sum of the squares of the first n Fibonacci numbers with index divisible by 4.

Table of values

n a(n)
0 0
1 1
2 50
3 2354
4 110595
5 5195620
6 244083556
7 11466731525
8 538692298134
9 25307071280790
10 1188893657899015
11 55852694849972936
12 2623887764290829000
13 123266872226818990089
14 5790919106896201705210
15 272049931151894661154810

List of values

[0, 1, 50, 2354, 110595, 5195620, 244083556, 11466731525, 538692298134, 25307071280790, 1188893657899015, 55852694849972936, 2623887764290829000, 123266872226818990089, 5790919106896201705210, 272049931151894661154810]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.