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.

A383552 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) is the number of lattice paths from (0,0) to (n,k) using steps (1,0),(0,1),(2,2).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 3
9 1
10 1
11 4
12 7
13 4
14 1
15 1
16 5
17 12
18 12
19 5
20 1
21 1
22 6
23 18
24 26
25 18
26 6
27 1
28 1
29 7
30 25
31 47
32 47
33 25
34 7
35 1
36 1
37 8
38 33
39 76
40 101
41 76
42 33
43 8
44 1
45 1
46 9
47 42
48 114
49 189
50 189
51 114
52 42
53 9
54 1
55 1
56 10
57 52
58 162
59 321
60 404
61 321
62 162
63 52
64 10
65 1
66 1
67 11
68 63
69 221
70 508
71 772
72 772
73 508
74 221
75 63
76 11
77 1

List of values

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 7, 4, 1, 1, 5, 12, 12, 5, 1, 1, 6, 18, 26, 18, 6, 1, 1, 7, 25, 47, 47, 25, 7, 1, 1, 8, 33, 76, 101, 76, 33, 8, 1, 1, 9, 42, 114, 189, 189, 114, 42, 9, 1, 1, 10, 52, 162, 321, 404, 321, 162, 52, 10, 1, 1, 11, 63, 221, 508, 772, 772, 508, 221, 63, 11, 1]