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.

A328126 Number of rooted level-2 phylogenetic networks with n labeled leaves, when multiple (i.e. parallel) edges are allowed.

Table of values

n a(n)
1 1
2 24
3 1935
4 259098
5 48547410
6 11693494530
7 3442245242940
8 1197493950509640
9 480665307600153900
10 218657025956206794600
11 111169169621733787779600
12 62469471023839610046855000
13 38446561750101105716524609200
14 25719207873623040944564642044800
15 18581469164514130166868945471102000

List of values

[1, 24, 1935, 259098, 48547410, 11693494530, 3442245242940, 1197493950509640, 480665307600153900, 218657025956206794600, 111169169621733787779600, 62469471023839610046855000, 38446561750101105716524609200, 25719207873623040944564642044800, 18581469164514130166868945471102000]