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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.

A090163 Triangle T(j,k) read by rows, where T(j,K)=number of different configurations having the largest required number of moves S(j,k)=A090033(n) in optimal solutions of the j X k generalization of Sam Loyd's sliding block 15-puzzle, starting with the empty square in a corner.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 2
7 1
8 1
9 18

List of values

[1, 1, 1, 1, 1, 2, 1, 1, 18]

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

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