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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.

A056104 Number of 9-antichain covers of a labeled n-set.

Table of values

n a(n)
6 20
7 1484110
8 15936368770
9 59961701958816
10 121740972715475096
11 167109117756164222210
12 176340421320592288902670
13 154794453668193645059165412
14 118987888829384136293188343172

List of values

[20, 1484110, 15936368770, 59961701958816, 121740972715475096, 167109117756164222210, 176340421320592288902670, 154794453668193645059165412, 118987888829384136293188343172]

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

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