cp's OEIS Frontend

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.

A185474 Number of (n+2) X 8 0..2 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 169052
2 1433903
3 8297059
4 37961900
5 146203201
6 493061605
7 1497314456
8 4179700035
9 10893560939
10 26828743607
11 63022511852
12 142244535949
13 310251195820
14 656871055669
15 1354738985131
16 2729104397743
17 5381326476837

List of values

[169052, 1433903, 8297059, 37961900, 146203201, 493061605, 1497314456, 4179700035, 10893560939, 26828743607, 63022511852, 142244535949, 310251195820, 656871055669, 1354738985131, 2729104397743, 5381326476837]

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

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