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.

A001788 a(n) = n*(n+1)*2^(n-2).

Table of values

n a(n)
0 0
1 1
2 6
3 24
4 80
5 240
6 672
7 1792
8 4608
9 11520
10 28160
11 67584
12 159744
13 372736
14 860160
15 1966080
16 4456448
17 10027008
18 22413312
19 49807360
20 110100480
21 242221056
22 530579456
23 1157627904
24 2516582400
25 5452595200
26 11777605632
27 25367150592
28 54492397568
29 116769423360
30 249644974080
31 532575944704

List of values

[0, 1, 6, 24, 80, 240, 672, 1792, 4608, 11520, 28160, 67584, 159744, 372736, 860160, 1966080, 4456448, 10027008, 22413312, 49807360, 110100480, 242221056, 530579456, 1157627904, 2516582400, 5452595200, 11777605632, 25367150592, 54492397568, 116769423360, 249644974080, 532575944704]