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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.

A328931 Number of Hamiltonian paths in an n X n square, starting from an edge, finishing anywhere, all symmetries excluded.

Table of values

n a(n)
1 1
2 1
3 4
4 51
5 660
6 30745
7 1621471
8 312637285
9 72599875346
10 60968508324409
11 64128000370443037
12 240651566540823214362
13 1162174738476331286327484
14 19776621796151182708398884540
15 441809773825445785471324877668710

List of values

[1, 1, 4, 51, 660, 30745, 1621471, 312637285, 72599875346, 60968508324409, 64128000370443037, 240651566540823214362, 1162174738476331286327484, 19776621796151182708398884540, 441809773825445785471324877668710]

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

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