A058153 Number of labeled monoids of order n.
1, 4, 33, 624, 20610, 1252032, 129552080, 63141932606
Offset: 1
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Crossrefs
a(n) = A058154(n)*n.
Extensions
a(8) from Christian G. Bower, Dec 28 2006
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.