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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.

A174589 Number of directed Hamiltonian cycles in the n X n X n triangular grid.

Table of values

n a(n)
1 1
2 2
3 2
4 6
5 52
6 948
7 34428
8 2742908
9 463849560
10 164734305828
11 123437602332804
12 194965649426622884
13 647793073112134906932
14 4525859704558897642199864
15 66463181964865873238784109324
16 2050514181580724375252309339543868
17 132859453756787302153653327942753178068

List of values

[1, 2, 2, 6, 52, 948, 34428, 2742908, 463849560, 164734305828, 123437602332804, 194965649426622884, 647793073112134906932, 4525859704558897642199864, 66463181964865873238784109324, 2050514181580724375252309339543868, 132859453756787302153653327942753178068]

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

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