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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.

A333581 Number of Hamiltonian paths in a 6 X (2n+1) grid starting at the lower left corner and finishing in the upper right corner.

Table of values

n a(n)
0 1
1 16
2 378
3 10204
4 286395
5 8142184
6 232408228
7 6641558434
8 189856823709
9 5427696641303
10 155171211771501
11 4436158800822989
12 126824318787312712
13 3625748174071085779
14 103655548766966797516
15 2963380335725281547187
16 84719269552230266413889
17 2422015949371169505273833

List of values

[1, 16, 378, 10204, 286395, 8142184, 232408228, 6641558434, 189856823709, 5427696641303, 155171211771501, 4436158800822989, 126824318787312712, 3625748174071085779, 103655548766966797516, 2963380335725281547187, 84719269552230266413889, 2422015949371169505273833]

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

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