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.

A268549 Diagonal of (1 - 9 x y)/((1 - 3 y - 2 x + 3 y^2 + 9 x^2 y) * (1 - u - z) * (1 - v - w)).

Table of values

n a(n)
0 1
1 12
2 648
3 50400
4 4630500
5 468087984
6 50345463168
7 5655718328832
8 656151696743400
9 78036148295820000
10 9465472643689782720
11 1166663950520357802240
12 145719568153188579382560
13 18405635030728188793200000

List of values

[1, 12, 648, 50400, 4630500, 468087984, 50345463168, 5655718328832, 656151696743400, 78036148295820000, 9465472643689782720, 1166663950520357802240, 145719568153188579382560, 18405635030728188793200000]