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.

A054951 Number of unlabeled semi-strong digraphs on n nodes with mutually nonisomorphic components.

Table of values

n a(n)
1 1
2 1
3 4
4 78
5 4960
6 1041872
7 704369984
8 1579641879248
9 12137443766888448
10 328148810741254606592
11 31830752699315833628787200
12 11234243165959817684710307801600
13 14576241398832991116522929933694031872
14 70075699209573863790264288901653500497274880

List of values

[1, 1, 4, 78, 4960, 1041872, 704369984, 1579641879248, 12137443766888448, 328148810741254606592, 31830752699315833628787200, 11234243165959817684710307801600, 14576241398832991116522929933694031872, 70075699209573863790264288901653500497274880]