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.

A208471 Number of 6Xn nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors.

Table of values

n a(n)
1 203
2 4213597
3 675203938944
4 441285917587055633
5 838683310903953794594668
6 3787532222733253394267947322830

List of values

[203, 4213597, 675203938944, 441285917587055633, 838683310903953794594668, 3787532222733253394267947322830]

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

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