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.

A223804 Number of 5Xn 0..3 arrays with rows and antidiagonals unimodal.

Table of values

n a(n)
1 1024
2 1048576
3 210163664
4 13602542576
5 453578376041
6 9658691177678
7 147492079608804
8 1738265364563074
9 16624933432537046
10 133772722680020893
11 930338345848608947
12 5709392263061431701
13 31428574139042436485

List of values

[1024, 1048576, 210163664, 13602542576, 453578376041, 9658691177678, 147492079608804, 1738265364563074, 16624933432537046, 133772722680020893, 930338345848608947, 5709392263061431701, 31428574139042436485]

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

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