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.

A203778 a(n) = -24*A015219(n-2)*a(n-1), with a(1) = 2.

Table of values

n a(n)
1 2
2 -48
3 40320
4 -159667200
5 1743565824000
6 -40548366802944000
7 1723467782592331776000
8 -120987438337981690675200000
9 13052124847901464790040576000000
10 -2050227771108362089219573678080000000
11 449688758403823707201064412255354880000000

List of values

[2, -48, 40320, -159667200, 1743565824000, -40548366802944000, 1723467782592331776000, -120987438337981690675200000, 13052124847901464790040576000000, -2050227771108362089219573678080000000, 449688758403823707201064412255354880000000]