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.

A119600 a(n) = 4*Product_{i=1..n-1} (3^i+1)^2.

Table of values

n a(n)
0 4
1 4
2 64
3 6400
4 5017600
5 33738342400
6 2008645953126400
7 1070407428421058560000
8 5124408580006984170864640000
9 220656234047362257307900743516160000
10 85495432669493277396354169745064287272960000
11 298114237913837782686540845369489025952802406400000000
12 9355246290649672947599943358541996936410690283965618585600000000

List of values

[4, 4, 64, 6400, 5017600, 33738342400, 2008645953126400, 1070407428421058560000, 5124408580006984170864640000, 220656234047362257307900743516160000, 85495432669493277396354169745064287272960000, 298114237913837782686540845369489025952802406400000000, 9355246290649672947599943358541996936410690283965618585600000000]