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.

A129114 Number of unrooted unlabeled connected triangular maps on a compact closed oriented surface with 2n faces (and thus 3n edges).

Table of values

n a(n)
0 1
1 3
2 11
3 81
4 1228
5 28174
6 843186
7 30551755
8 1291861997
9 62352938720
10 3381736322813
11 203604398647922
12 13475238697911184
13 972429507963453210
14 75993857157285258473
15 6393779463050776636807
16 576237114190853665462712
17 55385308766655472416299110
18 5655262782600929403228668176

List of values

[1, 3, 11, 81, 1228, 28174, 843186, 30551755, 1291861997, 62352938720, 3381736322813, 203604398647922, 13475238697911184, 972429507963453210, 75993857157285258473, 6393779463050776636807, 576237114190853665462712, 55385308766655472416299110, 5655262782600929403228668176]