cp's OEIS Frontend

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.

A264040 Number of possible permutations of the n X n generalization of the sliding block 15-puzzle.

Table of values

n a(n)
1 1
2 12
3 181440
4 10461394944000
5 7755605021665492992000000
6 185996663394950608733999724075417600000000
7 304140932017133780436126081660647688443776415689605120000000000
8 63443466092942082051716694667580740401432758087272596099400947187607352115200000000000000

List of values

[1, 12, 181440, 10461394944000, 7755605021665492992000000, 185996663394950608733999724075417600000000, 304140932017133780436126081660647688443776415689605120000000000, 63443466092942082051716694667580740401432758087272596099400947187607352115200000000000000]

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

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