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.

A223879 Number of 5Xn 0..3 arrays with rows, diagonals and antidiagonals unimodal.

Table of values

n a(n)
1 1024
2 1048576
3 152918517
4 5941888105
5 122550633425
6 1705349067795
7 18196418303111
8 160679898741339
9 1229765413154086
10 8391601872683197
11 51974570843642850
12 295702768916620339
13 1558622615940769358

List of values

[1024, 1048576, 152918517, 5941888105, 122550633425, 1705349067795, 18196418303111, 160679898741339, 1229765413154086, 8391601872683197, 51974570843642850, 295702768916620339, 1558622615940769358]

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

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