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.

A224386 Number of nX3 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Table of values

n a(n)
1 20
2 400
3 6094
4 86701
5 1268572
6 18794636
7 279128617
8 4142692993
9 61481903024
10 912523782542
11 13544525098266
12 201041292342421
13 2984053971336637
14 44292278131103241
15 657430060365000621
16 9758232360460992934

List of values

[20, 400, 6094, 86701, 1268572, 18794636, 279128617, 4142692993, 61481903024, 912523782542, 13544525098266, 201041292342421, 2984053971336637, 44292278131103241, 657430060365000621, 9758232360460992934]

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

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