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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.

A053515 Number of connected directed 3-multigraphs on n nodes.

Table of values

n a(n)
1 1
2 9
3 710
4 702995
5 9167621626
6 1601362624429243
7 3837877364912125546166
8 128777253726443722899317880176
9 61454877368531170511811727162658812448
10 422314689334495256777424027741114845781285378061

List of values

[1, 9, 710, 702995, 9167621626, 1601362624429243, 3837877364912125546166, 128777253726443722899317880176, 61454877368531170511811727162658812448, 422314689334495256777424027741114845781285378061]

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

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