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.

A051711 a(0) = 1; for n > 0, a(n) = n!*4^n/2.

Table of values

n a(n)
0 1
1 2
2 16
3 192
4 3072
5 61440
6 1474560
7 41287680
8 1321205760
9 47563407360
10 1902536294400
11 83711596953600
12 4018156653772800
13 208944145996185600
14 11700872175786393600
15 702052330547183616000
16 44931349155019751424000

List of values

[1, 2, 16, 192, 3072, 61440, 1474560, 41287680, 1321205760, 47563407360, 1902536294400, 83711596953600, 4018156653772800, 208944145996185600, 11700872175786393600, 702052330547183616000, 44931349155019751424000]