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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.

A264270 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,0 or 1,2.

Table of values

n a(n)
1 442
2 32000
3 4861800
4 600090240
5 80568542340
6 10563801093680
7 1398071103483637
8 184549492112860840
9 24385615337150116761
10 3221323854569532915840
11 425580239886807520132066
12 56223231572414176702873320

List of values

[442, 32000, 4861800, 600090240, 80568542340, 10563801093680, 1398071103483637, 184549492112860840, 24385615337150116761, 3221323854569532915840, 425580239886807520132066, 56223231572414176702873320]

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

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