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.

A102322 Column 1 of triangular matrix A102320, which that satisfies: T(n,k) = [T^2](n-1,k) when n>k>=0, with T(n,n) = (2*n+1).

Table of values

n a(n)
0 0
1 3
2 9
3 72
4 945
5 17568
6 427770
7 12979080
8 473981445
9 20308813128
10 1001231706582
11 55927084380552
12 3495759750651978
13 242012640619081152
14 18398411206663695732
15 1524754064472700613328
16 136890662566189661556525

List of values

[0, 3, 9, 72, 945, 17568, 427770, 12979080, 473981445, 20308813128, 1001231706582, 55927084380552, 3495759750651978, 242012640619081152, 18398411206663695732, 1524754064472700613328, 136890662566189661556525]