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.

A268022 Number of nX3 0..2 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.

Table of values

n a(n)
1 27
2 729
3 13824
4 250047
5 4019679
6 61162984
7 876467493
8 12040481088
9 159131975059
10 2037756289752
11 25373307641625
12 308367729216000
13 3667582185888375
14 42790530532833000
15 490685528946353021
16 5539482984199419072

List of values

[27, 729, 13824, 250047, 4019679, 61162984, 876467493, 12040481088, 159131975059, 2037756289752, 25373307641625, 308367729216000, 3667582185888375, 42790530532833000, 490685528946353021, 5539482984199419072]