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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.

A278625 Number of nX6 0..2 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.

Table of values

n a(n)
1 266
2 31605
3 3438414
4 387542112
5 43853346948
6 4902306226424
7 540194658701142
8 58237100230743229
9 6049936223396297740
10 596291979361147397590
11 55176657492423943503531
12 4770167181501151268299031

List of values

[266, 31605, 3438414, 387542112, 43853346948, 4902306226424, 540194658701142, 58237100230743229, 6049936223396297740, 596291979361147397590, 55176657492423943503531, 4770167181501151268299031]

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

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