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.

A224284 Number of 5Xn 0..3 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.

Table of values

n a(n)
1 1024
2 160000
3 2596992
4 21348990
5 137489538
6 817075668
7 4728056658
8 26524273813
9 141437578159
10 706256665798
11 3280530467805
12 14165878265784
13 57028400060821
14 214999615263699
15 762959963267749
16 2561695629991349
17 8178284227377456

List of values

[1024, 160000, 2596992, 21348990, 137489538, 817075668, 4728056658, 26524273813, 141437578159, 706256665798, 3280530467805, 14165878265784, 57028400060821, 214999615263699, 762959963267749, 2561695629991349, 8178284227377456]

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

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