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.

A197743 The number of connected components in all labeled directed graphs (with self loops allowed) on n nodes.

Table of values

n a(n)
0 0
1 2
2 20
3 600
4 70048
5 34265920
6 69135737856
7 563921434969088
8 18455775305195147264
9 2418183926567027902291968
10 1267698967252460350153517105152
11 2658483881480146168943131337243754496
12 22300809002478630462447974400280680553512960

List of values

[0, 2, 20, 600, 70048, 34265920, 69135737856, 563921434969088, 18455775305195147264, 2418183926567027902291968, 1267698967252460350153517105152, 2658483881480146168943131337243754496, 22300809002478630462447974400280680553512960]

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

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