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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.

A209046 Number of nX7 0..3 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it.

Table of values

n a(n)
1 2916
2 15778340
3 86878417604
4 478881915072688
5 2640002203816927226
6 14554067523333615991960
7 80235179157233210417254036
8 442328880747673272994524595152
9 2438516891360121789946284774426192

List of values

[2916, 15778340, 86878417604, 478881915072688, 2640002203816927226, 14554067523333615991960, 80235179157233210417254036, 442328880747673272994524595152, 2438516891360121789946284774426192]

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

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