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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.

A350754 Number of semi-strong digraphs on n unlabeled nodes.

Table of values

n a(n)
0 1
1 1
2 2
3 7
4 91
5 5144
6 1052251
7 706480081
8 1581055927702
9 12140606592270147
10 328173093539912361767
11 31831409057653120420337536
12 11234306829106179168513020426663
13 14576263867478482708779036941179024765
14 70075728362112833245095630646535639894359350

List of values

[1, 1, 2, 7, 91, 5144, 1052251, 706480081, 1581055927702, 12140606592270147, 328173093539912361767, 31831409057653120420337536, 11234306829106179168513020426663, 14576263867478482708779036941179024765, 70075728362112833245095630646535639894359350]

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

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