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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.

A140518 Number of simple paths from corner to corner of an n X n grid with king-moves allowed.

Table of values

n a(n)
1 1
2 5
3 235
4 96371
5 447544629
6 22132498074021
7 10621309947362277575
8 50819542770311581606906543
9 2460791237088492025876789478191411
10 1207644919895971862319430895789323709778193
11 5996262208084349429209429097224046573095272337986011

List of values

[1, 5, 235, 96371, 447544629, 22132498074021, 10621309947362277575, 50819542770311581606906543, 2460791237088492025876789478191411, 1207644919895971862319430895789323709778193, 5996262208084349429209429097224046573095272337986011]

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

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