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.

A185468 Number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 1169
2 21834
3 308692
4 3959167
5 46410729
6 493061605
7 4845252741
8 45945546278
9 443977171724
10 4605035061272
11 52677880798334
12 659609567593921
13 8802320668197926
14 122014363451316512
15 1727721369461575287

List of values

[1169, 21834, 308692, 3959167, 46410729, 493061605, 4845252741, 45945546278, 443977171724, 4605035061272, 52677880798334, 659609567593921, 8802320668197926, 122014363451316512, 1727721369461575287]

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

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