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.

A267909 Number of nX5 0..2 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 29
2 5046
3 878004
4 104491831
5 10441322974
6 922017784240
7 74691010105571
8 5680483902454184
9 411946383314752314
10 28803298484312712803
11 1957402980977660239136
12 130069621243447882741372

List of values

[29, 5046, 878004, 104491831, 10441322974, 922017784240, 74691010105571, 5680483902454184, 411946383314752314, 28803298484312712803, 1957402980977660239136, 130069621243447882741372]