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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.

A189146 Number of n X 3 array permutations with each element making zero or one knight moves.

Table of values

n a(n)
1 1
2 4
3 49
4 569
5 4372
6 42689
7 412189
8 3988132
9 38271921
10 375573977
11 3665309372
12 35872284105
13 350949375581
14 3439343559628
15 33682318930233
16 330021363385529
17 3233215326749252
18 31680809629578289
19 310402921706993341

List of values

[1, 4, 49, 569, 4372, 42689, 412189, 3988132, 38271921, 375573977, 3665309372, 35872284105, 350949375581, 3439343559628, 33682318930233, 330021363385529, 3233215326749252, 31680809629578289, 310402921706993341]

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

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