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.

A114040 a(0) = 1, a(1) = 9, a(n) = 6*a(n-1) - a(n-2) - 4.

Table of values

n a(n)
0 1
1 9
2 49
3 281
4 1633
5 9513
6 55441
7 323129
8 1883329
9 10976841
10 63977713
11 372889433
12 2173358881
13 12667263849
14 73830224209
15 430314081401
16 2508054264193
17 14618011503753
18 85200014758321
19 496582077046169
20 2894292447518689
21 16869172608065961
22 98320743200877073

List of values

[1, 9, 49, 281, 1633, 9513, 55441, 323129, 1883329, 10976841, 63977713, 372889433, 2173358881, 12667263849, 73830224209, 430314081401, 2508054264193, 14618011503753, 85200014758321, 496582077046169, 2894292447518689, 16869172608065961, 98320743200877073]