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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.

A264347 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

Table of values

n a(n)
1 256
2 75025
3 49000000
4 10878455069
5 4241136597604
6 1400983500645217
7 513959727627375369
8 177045004728184406986
9 63460182455433271780660
10 22401940593595999915880850
11 7987037973987954760973196580

List of values

[256, 75025, 49000000, 10878455069, 4241136597604, 1400983500645217, 513959727627375369, 177045004728184406986, 63460182455433271780660, 22401940593595999915880850, 7987037973987954760973196580]

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

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