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.

A208255 Number of nX5 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward neighbors.

Table of values

n a(n)
1 41
2 6144
3 920928
4 137947632
5 20662697664
6 3094987890864
7 463586569433280
8 69438884409258336
9 10400988693344761104
10 1557924881981189122032
11 233355694295516814615312
12 34953469637696859885114528

List of values

[41, 6144, 920928, 137947632, 20662697664, 3094987890864, 463586569433280, 69438884409258336, 10400988693344761104, 1557924881981189122032, 233355694295516814615312, 34953469637696859885114528]

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

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