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.

A152716 Triangle T(n,k) read by rows: T(n,k) = 4^min(k, n-k) = 4^A004197(n,k).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 4
5 1
6 1
7 4
8 4
9 1
10 1
11 4
12 16
13 4
14 1
15 1
16 4
17 16
18 16
19 4
20 1
21 1
22 4
23 16
24 64
25 16
26 4
27 1
28 1
29 4
30 16
31 64
32 64
33 16
34 4
35 1
36 1
37 4
38 16
39 64
40 256
41 64
42 16
43 4
44 1
45 1
46 4
47 16
48 64
49 256
50 256
51 64
52 16
53 4
54 1
55 1
56 4
57 16
58 64
59 256
60 1024
61 256
62 64
63 16
64 4
65 1

List of values

[1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 4, 16, 4, 1, 1, 4, 16, 16, 4, 1, 1, 4, 16, 64, 16, 4, 1, 1, 4, 16, 64, 64, 16, 4, 1, 1, 4, 16, 64, 256, 64, 16, 4, 1, 1, 4, 16, 64, 256, 256, 64, 16, 4, 1, 1, 4, 16, 64, 256, 1024, 256, 64, 16, 4, 1]