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.

A350110 Triangle read by rows, T(n,k) = T(n-1,k) + T(n-1,k-1) - T(n-2,k-1) + T(n-3,k-1) + T(n-3,k-2) + T(n-3,k-3) - T(n-4,k-3) - T(n-4,k-4) + delta(n,0)*delta(k,0) - delta(n,1)*delta(k,1), T(n T(n,k<0) = 0.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 0
5 0
6 1
7 1
8 1
9 1
10 1
11 2
12 3
13 2
14 0
15 1
16 3
17 5
18 4
19 0
20 0
21 1
22 4
23 8
24 8
25 4
26 2
27 1
28 1
29 5
30 12
31 16
32 13
33 9
34 3
35 0
36 1
37 6
38 17
39 28
40 30
41 22
42 9
43 0
44 0
45 1
46 7
47 23
48 45
49 58
50 51
51 27
52 9
53 3
54 1
55 1
56 8
57 30
58 68
59 103
60 108
61 78
62 40
63 18
64 4
65 0
66 1
67 9
68 38
69 98
70 171
71 211
72 187
73 123
74 58
75 16
76 0
77 0

List of values

[1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 2, 3, 2, 0, 1, 3, 5, 4, 0, 0, 1, 4, 8, 8, 4, 2, 1, 1, 5, 12, 16, 13, 9, 3, 0, 1, 6, 17, 28, 30, 22, 9, 0, 0, 1, 7, 23, 45, 58, 51, 27, 9, 3, 1, 1, 8, 30, 68, 103, 108, 78, 40, 18, 4, 0, 1, 9, 38, 98, 171, 211, 187, 123, 58, 16, 0, 0]