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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.

A264140 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.

Table of values

n a(n)
1 320
2 18000
3 1903336
4 163887724
5 15238898080
6 1376159333484
7 125699825697364
8 11431703076430455
9 1041358177270016565
10 94799852855903563200
11 8632210581410571081709
12 785952052399566693917019

List of values

[320, 18000, 1903336, 163887724, 15238898080, 1376159333484, 125699825697364, 11431703076430455, 1041358177270016565, 94799852855903563200, 8632210581410571081709, 785952052399566693917019]

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

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