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.

A081070 Lucas(4n)-2, or 5*Fibonacci(2n)^2.

Table of values

n a(n)
0 0
1 5
2 45
3 320
4 2205
5 15125
6 103680
7 710645
8 4870845
9 33385280
10 228826125
11 1568397605
12 10749957120
13 73681302245
14 505019158605
15 3461452808000
16 23725150497405
17 162614600673845
18 1114577054219520
19 7639424778862805

List of values

[0, 5, 45, 320, 2205, 15125, 103680, 710645, 4870845, 33385280, 228826125, 1568397605, 10749957120, 73681302245, 505019158605, 3461452808000, 23725150497405, 162614600673845, 1114577054219520, 7639424778862805]

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

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