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.

A081006 a(n) = Fibonacci(4n) - 1, or Fibonacci(2n+1)*Lucas(2n-1).

Table of values

n a(n)
1 2
2 20
3 143
4 986
5 6764
6 46367
7 317810
8 2178308
9 14930351
10 102334154
11 701408732
12 4807526975
13 32951280098
14 225851433716
15 1548008755919
16 10610209857722
17 72723460248140
18 498454011879263
19 3416454622906706
20 23416728348467684
21 160500643816367087

List of values

[2, 20, 143, 986, 6764, 46367, 317810, 2178308, 14930351, 102334154, 701408732, 4807526975, 32951280098, 225851433716, 1548008755919, 10610209857722, 72723460248140, 498454011879263, 3416454622906706, 23416728348467684, 160500643816367087]