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.

A170738 Expansion of g.f.: (1+x)/(1-18*x).

Table of values

n a(n)
0 1
1 19
2 342
3 6156
4 110808
5 1994544
6 35901792
7 646232256
8 11632180608
9 209379250944
10 3768826516992
11 67838877305856
12 1221099791505408
13 21979796247097344
14 395636332447752192
15 7121453984059539456
16 128186171713071710208
17 2307351090835290783744
18 41532319635035234107392

List of values

[1, 19, 342, 6156, 110808, 1994544, 35901792, 646232256, 11632180608, 209379250944, 3768826516992, 67838877305856, 1221099791505408, 21979796247097344, 395636332447752192, 7121453984059539456, 128186171713071710208, 2307351090835290783744, 41532319635035234107392]