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.

A131816 Triangle read by rows: A130321 + A059268 - A000012 as infinite lower triangular matrices, where A130321 = (1; 2,1; 4,2,1; ...), A059268 = (1; 1,2; 1,2,4; ...) and A000012 = (1; 1,1; 1,1,1; ...).

Table of values

n a(n)
0 1
1 2
2 2
3 4
4 3
5 4
6 8
7 5
8 5
9 8
10 16
11 9
12 7
13 9
14 16
15 32
16 17
17 11
18 11
19 17
20 32
21 64
22 33
23 19
24 15
25 19
26 33
27 64
28 128
29 65
30 35
31 23
32 23
33 35
34 65
35 128
36 256
37 129
38 67
39 39
40 31
41 39
42 67
43 129
44 256
45 512
46 257
47 131
48 71
49 47
50 47
51 71
52 131
53 257
54 512
55 1024
56 513
57 259
58 135
59 79
60 63
61 79
62 135
63 259
64 513
65 1024

List of values

[1, 2, 2, 4, 3, 4, 8, 5, 5, 8, 16, 9, 7, 9, 16, 32, 17, 11, 11, 17, 32, 64, 33, 19, 15, 19, 33, 64, 128, 65, 35, 23, 23, 35, 65, 128, 256, 129, 67, 39, 31, 39, 67, 129, 256, 512, 257, 131, 71, 47, 47, 71, 131, 257, 512, 1024, 513, 259, 135, 79, 63, 79, 135, 259, 513, 1024]