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.

A185427 Number of (n+2)X3 0..7 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 6842284
2 284037544
3 8653394212
4 212298419684
5 4370405405266
6 77657199293322
7 1216284173329482
8 17062128865116751
9 217083576402029968
10 2530473438240068012
11 27249849558442300355
12 272981324157512302120

List of values

[6842284, 284037544, 8653394212, 212298419684, 4370405405266, 77657199293322, 1216284173329482, 17062128865116751, 217083576402029968, 2530473438240068012, 27249849558442300355, 272981324157512302120]

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

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