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.

A233508 Numerators of the triangle of polynomial coefficients P(0,x)=1, 2*P(n)=(1+x)*((1+x)^(n-1)+x^(n-1)). Of the first array of A133135.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 1
7 3
8 2
9 1
10 1
11 2
12 3
13 5
14 1
15 1
16 5
17 5
18 5
19 3
20 1
21 1
22 3
23 15
24 10
25 15
26 7
27 1
28 1
29 7
30 21
31 35
32 35
33 21
34 4
35 1
36 1
37 4
38 14
39 28
40 35
41 28
42 14
43 9
44 1
45 1
46 9
47 18
48 42
49 63
50 63
51 42
52 18
53 5
54 1
55 1
56 5
57 45
58 60
59 105
60 126
61 105
62 60
63 45
64 11
65 1

List of values

[1, 1, 1, 1, 3, 1, 1, 3, 2, 1, 1, 2, 3, 5, 1, 1, 5, 5, 5, 3, 1, 1, 3, 15, 10, 15, 7, 1, 1, 7, 21, 35, 35, 21, 4, 1, 1, 4, 14, 28, 35, 28, 14, 9, 1, 1, 9, 18, 42, 63, 63, 42, 18, 5, 1, 1, 5, 45, 60, 105, 126, 105, 60, 45, 11, 1]