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.

A241330 Number of 3Xn 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

Table of values

n a(n)
1 5
2 85
3 2344
4 68935
5 2034543
6 60066019
7 1773370241
8 52356524981
9 1545760698649
10 45636645554004
11 1347364712395962
12 39779252976746762
13 1174432544392935470
14 34673647645893709738
15 1023695951556996550068
16 30223338828856554979455

List of values

[5, 85, 2344, 68935, 2034543, 60066019, 1773370241, 52356524981, 1545760698649, 45636645554004, 1347364712395962, 39779252976746762, 1174432544392935470, 34673647645893709738, 1023695951556996550068, 30223338828856554979455]

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

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