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.

A323225 a(n) = ((2^n*n + i*(1 - i)^n - i*(1 + i)^n))/4, where i is the imaginary unit.

Table of values

n a(n)
0 0
1 1
2 3
3 7
4 16
5 38
6 92
7 220
8 512
9 1160
10 2576
11 5648
12 12288
13 26592
14 57280
15 122816
16 262144
17 557184
18 1179904
19 2490624
20 5242880
21 11009536
22 23067648
23 48233472
24 100663296
25 209717248
26 436211712
27 905973760
28 1879048192
29 3892305920
30 8053047296
31 16642981888
32 34359738368

List of values

[0, 1, 3, 7, 16, 38, 92, 220, 512, 1160, 2576, 5648, 12288, 26592, 57280, 122816, 262144, 557184, 1179904, 2490624, 5242880, 11009536, 23067648, 48233472, 100663296, 209717248, 436211712, 905973760, 1879048192, 3892305920, 8053047296, 16642981888, 34359738368]