cp's OEIS Frontend

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.

A264197 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,2 or 2,1.

Table of values

n a(n)
1 4
2 81
3 2025
4 20736
5 262144
6 3748096
7 54479161
8 741200625
9 10251562500
10 143054150625
11 1998607065841
12 27789935251456
13 386869246296064
14 5389119716069376
15 75077285065499025
16 1045564592618903841

List of values

[4, 81, 2025, 20736, 262144, 3748096, 54479161, 741200625, 10251562500, 143054150625, 1998607065841, 27789935251456, 386869246296064, 5389119716069376, 75077285065499025, 1045564592618903841]

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

Content is available under The OEIS End-User License Agreement.