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.

A240892 Number of nX7 0..2 arrays with no element equal to a different number of vertical neighbors than horizontal neighbors, with new values 0..2 introduced in row major order.

Table of values

n a(n)
1 32
2 1216
3 38981
4 1255585
5 40424861
6 1302610899
7 41971040844
8 1352138182759
9 43565815810587
10 1403705064843757
11 45228360174728351
12 1457291782946371386
13 46955159811511460603
14 1512935850829951577045
15 48748133543911846159969

List of values

[32, 1216, 38981, 1255585, 40424861, 1302610899, 41971040844, 1352138182759, 43565815810587, 1403705064843757, 45228360174728351, 1457291782946371386, 46955159811511460603, 1512935850829951577045, 48748133543911846159969]

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

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