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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.

A214905 Number of nXnXn triangular 0..7 arrays with every horizontal row nondecreasing and having the same average value.

Table of values

n a(n)
1 8
2 20
3 136
4 2490
5 100350
6 8156190
7 1207302502
8 309961452102
9 129904063711602
10 85673347663408802
11 85480932170854384802
12 125968968872611859748002
13 266580924247101550726536002
14 795103957638983793244454088002

List of values

[8, 20, 136, 2490, 100350, 8156190, 1207302502, 309961452102, 129904063711602, 85673347663408802, 85480932170854384802, 125968968872611859748002, 266580924247101550726536002, 795103957638983793244454088002]

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

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