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.

A081005 a(n) = Fibonacci(4n+3) + 1, or Fibonacci(2n+1)*Lucas(2n+2).

Table of values

n a(n)
0 3
1 14
2 90
3 611
4 4182
5 28658
6 196419
7 1346270
8 9227466
9 63245987
10 433494438
11 2971215074
12 20365011075
13 139583862446
14 956722026042
15 6557470319843
16 44945570212854
17 308061521170130
18 2111485077978051
19 14472334024676222
20 99194853094755498
21 679891637638612259

List of values

[3, 14, 90, 611, 4182, 28658, 196419, 1346270, 9227466, 63245987, 433494438, 2971215074, 20365011075, 139583862446, 956722026042, 6557470319843, 44945570212854, 308061521170130, 2111485077978051, 14472334024676222, 99194853094755498, 679891637638612259]

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

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