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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.

A264271 Number of (n+1)X(7+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 160000
3 53290000
4 13954224384
5 4035639032100
6 1138084297605025
7 324302970384650401
8 92186952472695083584
9 26232276993922103173281
10 7462849422249980275347009
11 2123325373891488033889110724

List of values

[1156, 160000, 53290000, 13954224384, 4035639032100, 1138084297605025, 324302970384650401, 92186952472695083584, 26232276993922103173281, 7462849422249980275347009, 2123325373891488033889110724]

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

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