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.

A277074 Number of n-node labeled graphs with three endpoints.

Table of values

n a(n)
1 0
2 0
3 0
4 4
5 80
6 1860
7 64680
8 3666600
9 354093264
10 59372032440
11 17572209206640
12 9347625940951980
13 9099961952914672840
14 16480899322963497105684
15 56311549004017312945310280
16 367105988116570172056739960080

List of values

[0, 0, 0, 4, 80, 1860, 64680, 3666600, 354093264, 59372032440, 17572209206640, 9347625940951980, 9099961952914672840, 16480899322963497105684, 56311549004017312945310280, 367105988116570172056739960080]