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.

A189347 Number of n X n array permutations with each element moving one space diagonally, horizontally or vertically.

Table of values

n a(n)
1 0
2 4
3 48
4 12592
5 10252800
6 64731638400
7 2239546267804672
8 494966160398383884544
9 658664151315274081588459520
10 5410532537689878793764236394523648
11 271891121107496085701096037929377481809920

List of values

[0, 4, 48, 12592, 10252800, 64731638400, 2239546267804672, 494966160398383884544, 658664151315274081588459520, 5410532537689878793764236394523648, 271891121107496085701096037929377481809920]

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

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