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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.

A339201 Number of (undirected) Hamiltonian cycles on the n X 4 king graph.

Table of values

n a(n)
2 8
3 120
4 2830
5 50354
6 1003218
7 19380610
8 378005474
9 7348400816
10 143013145124
11 2782280184314
12 54134923232608
13 1053263634537410
14 20492847566047336
15 398717839924458408
16 7757640305938339162
17 150936198726479633524
18 2936684182444832427774
19 57137476790772843457886

List of values

[8, 120, 2830, 50354, 1003218, 19380610, 378005474, 7348400816, 143013145124, 2782280184314, 54134923232608, 1053263634537410, 20492847566047336, 398717839924458408, 7757640305938339162, 150936198726479633524, 2936684182444832427774, 57137476790772843457886]

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

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