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.

A002871 a(n) = max_{k=0..n} 2^k*A048993(n,k).

Table of values

n a(n)
0 1
1 2
2 4
3 12
4 48
5 200
6 1040
7 5600
8 33600
9 222432
10 1460928
11 11487168
12 84713728
13 731574272
14 6314147840
15 55456727040
16 548291597568
17 5226494727168
18 54361802626560
19 586042688924160
20 6149776714099200
21 72895623466265600
22 855187250563024896

List of values

[1, 2, 4, 12, 48, 200, 1040, 5600, 33600, 222432, 1460928, 11487168, 84713728, 731574272, 6314147840, 55456727040, 548291597568, 5226494727168, 54361802626560, 586042688924160, 6149776714099200, 72895623466265600, 855187250563024896]