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.

A096587 Triangle read by rows: T(n,k)=number of Catalan knight paths in Quadrant I from (0,0) to (n,k), for 0 <= k <= 2*n, n >= 0. A Catalan knight moves (1 right and 2 up) or (1 right and 2 down) or (2 right and 1 up) or (2 right and 1 down).

Table of values

n a(n)
0 1
1 0
2 0
3 1
4 1
5 1
6 0
7 0
8 1
9 0
10 1
11 2
12 2
13 0
14 0
15 1
16 3
17 3
18 1
19 2
20 3
21 3
22 0
23 0
24 1
25 2
26 4
27 9
28 8
29 3
30 3
31 4
32 4
33 0
34 0
35 1
36 12
37 12
38 10
39 11
40 18
41 15
42 6
43 4
44 5
45 5
46 0
47 0
48 1
49 14
50 22
51 42
52 39
53 27
54 22
55 30
56 24
57 10
58 5
59 6
60 6
61 0
62 0
63 1
64 54
65 61
66 64
67 72
68 98
69 87
70 56
71 38
72 45
73 35
74 15
75 6
76 7
77 7
78 0
79 0
80 1
81 86
82 128
83 213
84 217
85 181
86 167

List of values

[1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 2, 2, 0, 0, 1, 3, 3, 1, 2, 3, 3, 0, 0, 1, 2, 4, 9, 8, 3, 3, 4, 4, 0, 0, 1, 12, 12, 10, 11, 18, 15, 6, 4, 5, 5, 0, 0, 1, 14, 22, 42, 39, 27, 22, 30, 24, 10, 5, 6, 6, 0, 0, 1, 54, 61, 64, 72, 98, 87, 56, 38, 45, 35, 15, 6, 7, 7, 0, 0, 1, 86, 128, 213, 217, 181, 167]