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.

A251584 a(n) = 4^(n-2) * (n+1)^(n-4) * (3*n^2 + 13*n + 16).

Table of values

n a(n)
0 1
1 1
2 6
3 82
4 1856
5 59904
6 2533888
7 133169152
8 8384643072
9 616038400000
10 51781055676416
11 4903194794655744
12 516634816527990784
13 59967828129860288512
14 7604226293760000000000
15 1046004175955626414833664
16 155145294199098982239567872
17 24683771056652857103433596928
18 4193546668531304927540807729152
19 757730637305085952000000000000000

List of values

[1, 1, 6, 82, 1856, 59904, 2533888, 133169152, 8384643072, 616038400000, 51781055676416, 4903194794655744, 516634816527990784, 59967828129860288512, 7604226293760000000000, 1046004175955626414833664, 155145294199098982239567872, 24683771056652857103433596928, 4193546668531304927540807729152, 757730637305085952000000000000000]