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.

A206601 3^(n(n+1)/2) - 1.

Table of values

n a(n)
0 0
1 2
2 26
3 728
4 59048
5 14348906
6 10460353202
7 22876792454960
8 150094635296999120
9 2954312706550833698642
10 174449211009120179071170506
11 30903154382632612361920641803528
12 16423203268260658146231467800709255288
13 26183890704263137277674192438430182020124346

List of values

[0, 2, 26, 728, 59048, 14348906, 10460353202, 22876792454960, 150094635296999120, 2954312706550833698642, 174449211009120179071170506, 30903154382632612361920641803528, 16423203268260658146231467800709255288, 26183890704263137277674192438430182020124346]