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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.

A264278 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,0 or 1,2.

Table of values

n a(n)
1 1156
2 397970
3 137007025
4 28735927165
5 6027088830169
6 1398071103483637
7 324302970384650401
8 73860692068418320661
9 16821929895847549418521
10 3842838461170279448197621

List of values

[1156, 397970, 137007025, 28735927165, 6027088830169, 1398071103483637, 324302970384650401, 73860692068418320661, 16821929895847549418521, 3842838461170279448197621]

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

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