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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.

A093934 Number of equivalence classes of unlabeled tournaments with n signed nodes.

Table of values

n a(n)
0 1
1 2
2 4
3 12
4 48
5 296
6 3040
7 54256
8 1716608
9 97213472
10 9937755904
11 1849103423168
12 631027551238656
13 397616229914793600
14 465313769910614218240
15 1016485858155549165160192
16 4163516302794478683289989120
17 32101177200132015985353543496192
18 467507173926886632279989196725442560

List of values

[1, 2, 4, 12, 48, 296, 3040, 54256, 1716608, 97213472, 9937755904, 1849103423168, 631027551238656, 397616229914793600, 465313769910614218240, 1016485858155549165160192, 4163516302794478683289989120, 32101177200132015985353543496192, 467507173926886632279989196725442560]

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

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