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.

A267666 Number of nX7 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

Table of values

n a(n)
1 15
2 450
3 13500
4 188301
5 2369260
6 25652956
7 264709135
8 2629810220
9 25695609592
10 248940754959
11 2403684195338
12 23214264266490
13 224513724291545
14 2177014307614418
15 21166636724769010
16 206403484324982865

List of values

[15, 450, 13500, 188301, 2369260, 25652956, 264709135, 2629810220, 25695609592, 248940754959, 2403684195338, 23214264266490, 224513724291545, 2177014307614418, 21166636724769010, 206403484324982865]