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.

A384030 a(n) = [x^(2*n)] Product_{k=0..n-1} (1 + k*x)^4.

Table of values

n a(n)
0 1
1 0
2 1
3 248
4 79441
5 38878520
6 27741179521
7 27412462941136
8 35965398129639713
9 60588665662486807184
10 127588718827126433989569
11 328596587850349392471155720
12 1016488989627693108972046560497
13 3720090951049096346043302894560648
14 15901046580509525131539058273675597889

List of values

[1, 0, 1, 248, 79441, 38878520, 27741179521, 27412462941136, 35965398129639713, 60588665662486807184, 127588718827126433989569, 328596587850349392471155720, 1016488989627693108972046560497, 3720090951049096346043302894560648, 15901046580509525131539058273675597889]