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.

A307936 Numbers of (undirected) Hamiltonian paths in the complete tripartite graph K_{n,n,n}.

Original entry on oeis.org

3, 120, 18792, 7547904, 6210432000, 9116955648000, 21746167511040000, 78775578609057792000, 411821286886186942464000, 2985318922218593845248000000, 29060162328471184917135360000000, 369984034079871408445744742400000000
Offset: 1

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Author

Eric W. Weisstein, May 06 2019

Keywords

Crossrefs

Cf. A234633.

Formula

a(n) = A234633(n)/2.