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.

A351052 Number of unlabeled digraphs with n nodes containing a global sink (or source), self-loops allowed.

Table of values

n a(n)
1 1
2 2
3 18
4 440
5 32404
6 7423456
7 5473328160
8 13430706072192
9 113086387825668384
10 3345639802029563258880
11 353900830082830194441001984
12 135600928084762756427776332541952
13 190092581374833963606044859875698932736
14 982736440685354936080688846774429648871161856

List of values

[1, 2, 18, 440, 32404, 7423456, 5473328160, 13430706072192, 113086387825668384, 3345639802029563258880, 353900830082830194441001984, 135600928084762756427776332541952, 190092581374833963606044859875698932736, 982736440685354936080688846774429648871161856]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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