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.

A184565 Number of (n+2)X(n+2) 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 14178
2 993538
3 57374460
4 2943827443
5 136680720320
6 5891845723505
7 236912838360594
8 8847094859463950
9 307617377912743450
10 10100655820839334144
11 321449766112998837176
12 10305126469064160258992

List of values

[14178, 993538, 57374460, 2943827443, 136680720320, 5891845723505, 236912838360594, 8847094859463950, 307617377912743450, 10100655820839334144, 321449766112998837176, 10305126469064160258992]

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

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