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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.

A209501 Number of nX6 0..4 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..4 introduced in row major order.

Table of values

n a(n)
1 202
2 133380
3 137627625
4 142937856372
5 148562491090605
6 154401817037192112
7 160472621147386212721
8 166781889837814691670272
9 173339279726971874626160091
10 180154479333345761550673106264

List of values

[202, 133380, 137627625, 142937856372, 148562491090605, 154401817037192112, 160472621147386212721, 166781889837814691670272, 173339279726971874626160091, 180154479333345761550673106264]

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

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