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.

A214535 Number of nXnXn triangular 0..3 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and every horizontal row having the same average value.

Table of values

n a(n)
1 4
2 8
3 38
4 344
5 5360
6 141470
7 6042900
8 420213820
9 47817344852
10 8897304579262

List of values

[4, 8, 38, 344, 5360, 141470, 6042900, 420213820, 47817344852, 8897304579262]

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

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