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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.

A214591 Number of nXnXn triangular 0..4 arrays with every horizontal row having the same average value.

Table of values

n a(n)
1 5
2 13
3 157
4 10177
5 3330677
6 5495329427
7 43988453613377
8 1673440688496376877
9 301618636251020715984377
10 258456549967842122873898234377
11 1057468726916674176186809546298140627

List of values

[5, 13, 157, 10177, 3330677, 5495329427, 43988453613377, 1673440688496376877, 301618636251020715984377, 258456549967842122873898234377, 1057468726916674176186809546298140627]

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

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