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.

A184569 Number of (n+2)X6 0..3 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 2430950
2 37767705
3 380532059
4 2943827443
5 18803004899
6 103444456133
7 503785839330
8 2213469458762
9 8896632071640
10 33064363109286
11 114609983293024
12 373179093576287
13 1148351083047878
14 3357036249298069
15 9365408840621016

List of values

[2430950, 37767705, 380532059, 2943827443, 18803004899, 103444456133, 503785839330, 2213469458762, 8896632071640, 33064363109286, 114609983293024, 373179093576287, 1148351083047878, 3357036249298069, 9365408840621016]

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

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