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.

A081007 a(n) = Fibonacci(4n+1) - 1, or Fibonacci(2n)*Lucas(2n+1).

Table of values

n a(n)
0 0
1 4
2 33
3 232
4 1596
5 10945
6 75024
7 514228
8 3524577
9 24157816
10 165580140
11 1134903169
12 7778742048
13 53316291172
14 365435296161
15 2504730781960
16 17167680177564
17 117669030460993
18 806515533049392
19 5527939700884756
20 37889062373143905
21 259695496911122584

List of values

[0, 4, 33, 232, 1596, 10945, 75024, 514228, 3524577, 24157816, 165580140, 1134903169, 7778742048, 53316291172, 365435296161, 2504730781960, 17167680177564, 117669030460993, 806515533049392, 5527939700884756, 37889062373143905, 259695496911122584]