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.

A186088 Number of (n+2)X3 0..4 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 102251
2 1252889
3 11258613
4 83378583
5 531218757
6 2985984444
7 15084070635
8 69482992431
9 295278398390
10 1168636004931
11 4340861873151
12 15229963644864
13 50743091539034
14 161283018943658
15 490947611660031
16 1436133677832325

List of values

[102251, 1252889, 11258613, 83378583, 531218757, 2985984444, 15084070635, 69482992431, 295278398390, 1168636004931, 4340861873151, 15229963644864, 50743091539034, 161283018943658, 490947611660031, 1436133677832325]

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

Content is available under The OEIS End-User License Agreement.