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.

A199573 Number of round trips of length n from any of the four vertices of the cycle graph C_4.

Table of values

n a(n)
0 1
1 0
2 2
3 0
4 8
5 0
6 32
7 0
8 128
9 0
10 512
11 0
12 2048
13 0
14 8192
15 0
16 32768
17 0
18 131072
19 0
20 524288
21 0
22 2097152
23 0
24 8388608
25 0
26 33554432
27 0
28 134217728
29 0
30 536870912
31 0
32 2147483648
33 0
34 8589934592
35 0
36 34359738368
37 0
38 137438953472
39 0

List of values

[1, 0, 2, 0, 8, 0, 32, 0, 128, 0, 512, 0, 2048, 0, 8192, 0, 32768, 0, 131072, 0, 524288, 0, 2097152, 0, 8388608, 0, 33554432, 0, 134217728, 0, 536870912, 0, 2147483648, 0, 8589934592, 0, 34359738368, 0, 137438953472, 0]