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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.

A264337 Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,1 or 1,2.

Table of values

n a(n)
1 181
2 3567
3 70669
4 1399783
5 27726581
6 549201567
7 10878455069
8 215477871383
9 4268134837381
10 84542207852367
11 1674592106593069
12 33169925350906183
13 657022055372706581
14 13014137857695923967
15 257780972182185860669

List of values

[181, 3567, 70669, 1399783, 27726581, 549201567, 10878455069, 215477871383, 4268134837381, 84542207852367, 1674592106593069, 33169925350906183, 657022055372706581, 13014137857695923967, 257780972182185860669]

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

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