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.

A201537 Number of nX6 0..2 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor.

Table of values

n a(n)
1 13
2 410
3 16393
4 983981
5 61807736
6 3762507339
7 208164634003
8 10298954399450
9 457194210355549
10 18377434753379050
11 675525914078702215
12 22913890806174601101
13 722808878339707158532
14 21342091118575178714919

List of values

[13, 410, 16393, 983981, 61807736, 3762507339, 208164634003, 10298954399450, 457194210355549, 18377434753379050, 675525914078702215, 22913890806174601101, 722808878339707158532, 21342091118575178714919]

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

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