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.

A317450 a(n)=(-1)^((n-2)*(n-1)/2)*2^((n-1)^2)*n^(n-3).

Table of values

n a(n)
1 1
2 1
3 -16
4 -2048
5 1638400
6 7247757312
7 -164995463643136
8 -18446744073709551616
9 9803356117276277820358656
10 24178516392292583494123520000000
11 -271732164163901599116133024293512544256
12 -13717048991958695477963985711266803110069141504
13 3074347100178259797134292590832254504315406543889629184

List of values

[1, 1, -16, -2048, 1638400, 7247757312, -164995463643136, -18446744073709551616, 9803356117276277820358656, 24178516392292583494123520000000, -271732164163901599116133024293512544256, -13717048991958695477963985711266803110069141504, 3074347100178259797134292590832254504315406543889629184]