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.

A251583 a(n) = 3^(n-1) * (n+1)^(n-3) * (n+3).

Table of values

n a(n)
0 1
1 1
2 5
3 54
4 945
5 23328
6 750141
7 29859840
8 1420541793
9 78732000000
10 4986357828309
11 355459848339456
12 28178328756432465
13 2459548529521606656
14 234438580086767578125
15 24233149581890213117952
16 2700277512299794365456321
17 322689729227525728790446080
18 41170357602396483760424637477
19 5585797616762880000000000000000

List of values

[1, 1, 5, 54, 945, 23328, 750141, 29859840, 1420541793, 78732000000, 4986357828309, 355459848339456, 28178328756432465, 2459548529521606656, 234438580086767578125, 24233149581890213117952, 2700277512299794365456321, 322689729227525728790446080, 41170357602396483760424637477, 5585797616762880000000000000000]