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.

A180844 a(n) = (27^n - 2^n)/25.

Table of values

n a(n)
0 0
1 1
2 29
3 787
4 21257
5 573955
6 15496817
7 418414123
8 11297181449
9 305023899379
10 8235645283745
11 222362422662139
12 6003785411879801
13 162102206120758723
14 4376759565260493713
15 118172508262033346635
16 3190657723074900391913

List of values

[0, 1, 29, 787, 21257, 573955, 15496817, 418414123, 11297181449, 305023899379, 8235645283745, 222362422662139, 6003785411879801, 162102206120758723, 4376759565260493713, 118172508262033346635, 3190657723074900391913]