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.

A051242 Array T by antidiagonals; T(n,k)=k-th binary number d(1),...,d(j) for which exactly n digits d(i) satisfy d(i)=d(j+1-i) (n=0,1,2,...; k=1,2,3,..).

Table of values

n a(n)
1 2
2 10
3 1
4 12
5 4
6 3
7 38
8 6
9 8
10 5
11 42
12 18
13 11
14 7
15 9
16 52
17 22
18 13
19 16
20 15
21 17
22 56
23 24
24 14
25 19
26 32
27 21
28 33
29 142
30 28
31 34
32 20
33 35
34 27
35 45
36 65
37 150
38 70
39 36
40 23
41 37
42 31
43 51
44 73
45 129
46 170
47 78
48 39
49 25
50 41
51 64
52 63
53 85
54 153
55 257
56 178
57 82
58 40
59 26
60 44
61 67
62 128

List of values

[2, 10, 1, 12, 4, 3, 38, 6, 8, 5, 42, 18, 11, 7, 9, 52, 22, 13, 16, 15, 17, 56, 24, 14, 19, 32, 21, 33, 142, 28, 34, 20, 35, 27, 45, 65, 150, 70, 36, 23, 37, 31, 51, 73, 129, 170, 78, 39, 25, 41, 64, 63, 85, 153, 257, 178, 82, 40, 26, 44, 67, 128]