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.

A138562 Number of "squashed-tree" graphs with n central nodes, the labeled case, allowing the direct link between L and R.

Table of values

n a(n)
0 1
1 4
2 38
3 616
4 14744
5 479364
6 20021768
7 1031673164
8 63597989864
9 4579513525216
10 377953469391584
11 35211153592004064
12 3657198048669038384
13 419166387797337858500
14 52561549979435515611488
15 7158828855330149502246076
16 1052478318277669232896492064
17 166132533639153074372662711680

List of values

[1, 4, 38, 616, 14744, 479364, 20021768, 1031673164, 63597989864, 4579513525216, 377953469391584, 35211153592004064, 3657198048669038384, 419166387797337858500, 52561549979435515611488, 7158828855330149502246076, 1052478318277669232896492064, 166132533639153074372662711680]