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.

A156085 One fourth of the sum of the squares of the first n Fibonacci numbers with index divisible by 3.

Table of values

n a(n)
0 0
1 1
2 17
3 306
4 5490
5 98515
6 1767779
7 31721508
8 569219364
9 10214227045
10 183286867445
11 3288949386966
12 59017802097942
13 1059031488375991
14 19003548988669895
15 341004850307682120
16 6119083756549608264
17 109802502767585266633
18 1970325966059985191129

List of values

[0, 1, 17, 306, 5490, 98515, 1767779, 31721508, 569219364, 10214227045, 183286867445, 3288949386966, 59017802097942, 1059031488375991, 19003548988669895, 341004850307682120, 6119083756549608264, 109802502767585266633, 1970325966059985191129]