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.

A224046 Number of n X 4 0..3 arrays with rows and columns unimodal and antidiagonals nondecreasing.

Table of values

n a(n)
1 130
2 4580
3 67585
4 638996
5 4646480
6 28403642
7 153482649
8 753824187
9 3415377142
10 14392067725
11 56709869639
12 209870332819
13 732443566502
14 2420139228330
15 7599650363003
16 22760832153158
17 65233797272228
18 179466761579280

List of values

[130, 4580, 67585, 638996, 4646480, 28403642, 153482649, 753824187, 3415377142, 14392067725, 56709869639, 209870332819, 732443566502, 2420139228330, 7599650363003, 22760832153158, 65233797272228, 179466761579280]

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

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