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.

A288267 Triangle read by rows: T(n,k) = T(n,k+1) + T(n-k,k-1) with T(0,0) = 1 and T(n,k) = 0 if k<0 or k > A003056(n).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 2
6 2
7 1
8 3
9 3
10 1
11 5
12 5
13 2
14 9
15 9
16 4
17 1
18 15
19 15
20 6
21 1
22 26
23 26
24 11
25 2
26 45
27 45
28 19
29 4
30 78
31 78
32 33
33 7
34 1
35 135
36 135
37 57
38 12
39 1
40 234
41 234
42 99
43 21
44 2
45 406
46 406
47 172
48 37
49 4
50 704
51 704
52 298
53 64
54 7
55 1222
56 1222
57 518
58 112
59 13
60 1
61 2120
62 2120
63 898
64 194
65 22
66 1
67 3679

List of values

[1, 1, 1, 1, 1, 2, 2, 1, 3, 3, 1, 5, 5, 2, 9, 9, 4, 1, 15, 15, 6, 1, 26, 26, 11, 2, 45, 45, 19, 4, 78, 78, 33, 7, 1, 135, 135, 57, 12, 1, 234, 234, 99, 21, 2, 406, 406, 172, 37, 4, 704, 704, 298, 64, 7, 1222, 1222, 518, 112, 13, 1, 2120, 2120, 898, 194, 22, 1, 3679]