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.

A047863 Number of labeled graphs with 2-colored nodes where black nodes are only connected to white nodes and vice versa.

Table of values

n a(n)
0 1
1 2
2 6
3 26
4 162
5 1442
6 18306
7 330626
8 8488962
9 309465602
10 16011372546
11 1174870185986
12 122233833963522
13 18023122242478082
14 3765668654914699266
15 1114515608405262434306
16 467221312005126294077442
17 277362415313453291571118082
18 233150477220213193598856331266

List of values

[1, 2, 6, 26, 162, 1442, 18306, 330626, 8488962, 309465602, 16011372546, 1174870185986, 122233833963522, 18023122242478082, 3765668654914699266, 1114515608405262434306, 467221312005126294077442, 277362415313453291571118082, 233150477220213193598856331266]

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

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