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.

A048497 a(n) = 2^(n-1)*(4*n - 6) + 4.

Table of values

n a(n)
0 1
1 2
2 8
3 28
4 84
5 228
6 580
7 1412
8 3332
9 7684
10 17412
11 38916
12 86020
13 188420
14 409604
15 884740
16 1900548
17 4063236
18 8650756
19 18350084
20 38797316
21 81788932
22 171966468
23 360710148
24 754974724
25 1577058308
26 3288334340
27 6845104132

List of values

[1, 2, 8, 28, 84, 228, 580, 1412, 3332, 7684, 17412, 38916, 86020, 188420, 409604, 884740, 1900548, 4063236, 8650756, 18350084, 38797316, 81788932, 171966468, 360710148, 754974724, 1577058308, 3288334340, 6845104132]