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.

A133414 Half the number of ways of placing up to n^3 identical weights in an n X n X n grid so that it balances at its center, at most one weight to a grid position.

Table of values

n a(n)
1 1
2 9
3 403840
4 3134895604437030
5 2672411782638277673724960927991328

List of values

[1, 9, 403840, 3134895604437030, 2672411782638277673724960927991328]

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

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