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.

A003027 Number of weakly connected digraphs with n labeled nodes.

Table of values

n a(n)
1 1
2 3
3 54
4 3834
5 1027080
6 1067308488
7 4390480193904
8 72022346388181584
9 4721717643249254751360
10 1237892809110149882059440768
11 1298060596773261804821355107253504
12 5444502293680983802677246555274553481984
13 91343781554246596956424128384394531707099632640

List of values

[1, 3, 54, 3834, 1027080, 1067308488, 4390480193904, 72022346388181584, 4721717643249254751360, 1237892809110149882059440768, 1298060596773261804821355107253504, 5444502293680983802677246555274553481984, 91343781554246596956424128384394531707099632640]

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

Content is available under The OEIS End-User License Agreement.