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.

A185473 Number of (n+2)X7 0..2 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 79743
2 594798
3 3097348
4 12990375
5 46410729
6 146203201
7 416227164
8 1090826214
9 2669230399
10 6166331968
11 13566979728
12 28628817088
13 58271012854
14 114931139131
15 220496274283
16 412754753755
17 755824704746
18 1356767769574
19 2391691228097

List of values

[79743, 594798, 3097348, 12990375, 46410729, 146203201, 416227164, 1090826214, 2669230399, 6166331968, 13566979728, 28628817088, 58271012854, 114931139131, 220496274283, 412754753755, 755824704746, 1356767769574, 2391691228097]