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.

A198080 a(n) = (3^(3*n + 3)- 26*n - 27)/169.

Table of values

n a(n)
0 0
1 4
2 116
3 3144
4 84904
5 2292428
6 61895580
7 1671180688
8 45121878608
9 1218290722452
10 32893849506244
11 888133936668632
12 23979616290053112
13 647449639831434076
14 17481140275448720108
15 471990787437115442976
16 12743751260802116960416
17 344081284041657157931300

List of values

[0, 4, 116, 3144, 84904, 2292428, 61895580, 1671180688, 45121878608, 1218290722452, 32893849506244, 888133936668632, 23979616290053112, 647449639831434076, 17481140275448720108, 471990787437115442976, 12743751260802116960416, 344081284041657157931300]