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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.

A137891 Number of (directed) Hamiltonian paths in the graph join C_n + C_n of two cycles.

Table of values

n a(n)
3 720
4 13824
5 383000
6 14804640
7 764340024
8 50913153536
9 4256161751448
10 436618291524000
11 53955264479804600
12 7908071556041000064
13 1356709951589099693976
14 269380212536429979520928
15 61297096735652845698099000
16 15847986814197933588682229760
17 4620315237160994963528810238104

List of values

[720, 13824, 383000, 14804640, 764340024, 50913153536, 4256161751448, 436618291524000, 53955264479804600, 7908071556041000064, 1356709951589099693976, 269380212536429979520928, 61297096735652845698099000, 15847986814197933588682229760, 4620315237160994963528810238104]

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

Content is available under The OEIS End-User License Agreement.