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.

A167784 a(n) = 2^n - (1 - (-1)^n)*3^((n-1)/2).

Table of values

n a(n)
0 1
1 0
2 4
3 2
4 16
5 14
6 64
7 74
8 256
9 350
10 1024
11 1562
12 4096
13 6734
14 16384
15 28394
16 65536
17 117950
18 262144
19 484922
20 1048576
21 1979054
22 4194304
23 8034314
24 16777216
25 32491550
26 67108864
27 131029082
28 268435456
29 527304974
30 1073741824
31 2118785834
32 4294967296
33 8503841150

List of values

[1, 0, 4, 2, 16, 14, 64, 74, 256, 350, 1024, 1562, 4096, 6734, 16384, 28394, 65536, 117950, 262144, 484922, 1048576, 1979054, 4194304, 8034314, 16777216, 32491550, 67108864, 131029082, 268435456, 527304974, 1073741824, 2118785834, 4294967296, 8503841150]