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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.

A186910 Number of (n+2)X6 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 22000126445
2 2536761070723
3 171334955820947
4 8185872059408158
5 300268014063911584
6 8880688768983407407
7 219019175194540430058
8 4617630757685272558765
9 84844963231516976756260

List of values

[22000126445, 2536761070723, 171334955820947, 8185872059408158, 300268014063911584, 8880688768983407407, 219019175194540430058, 4617630757685272558765, 84844963231516976756260]

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

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