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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.

A223805 Number of 6Xn 0..3 arrays with rows and antidiagonals unimodal.

Table of values

n a(n)
1 4096
2 16777216
3 9169032476
4 1216562667529
5 70950413903439
6 2401987689157097
7 54863639440148543
8 926152518399324838
9 12281305845727356247
10 133569446404885491509
11 1229947638993873947499
12 9824466906501135882300

List of values

[4096, 16777216, 9169032476, 1216562667529, 70950413903439, 2401987689157097, 54863639440148543, 926152518399324838, 12281305845727356247, 133569446404885491509, 1229947638993873947499, 9824466906501135882300]

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

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