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.

A119329 Number triangle T(n,k)=sum{j=0..n-k, C(k,2j)C(n-k,2j)*2^j}.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 3
13 1
14 1
15 1
16 1
17 7
18 7
19 1
20 1
21 1
22 1
23 13
24 19
25 13
26 1
27 1
28 1
29 1
30 21
31 37
32 37
33 21
34 1
35 1
36 1
37 1
38 31
39 61
40 77
41 61
42 31
43 1
44 1
45 1
46 1
47 43
48 91
49 141
50 141
51 91
52 43
53 1
54 1
55 1
56 1
57 57
58 127
59 241
60 301
61 241
62 127
63 57
64 1
65 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 7, 7, 1, 1, 1, 1, 13, 19, 13, 1, 1, 1, 1, 21, 37, 37, 21, 1, 1, 1, 1, 31, 61, 77, 61, 31, 1, 1, 1, 1, 43, 91, 141, 141, 91, 43, 1, 1, 1, 1, 57, 127, 241, 301, 241, 127, 57, 1, 1]