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.

A306646 Square array A(n,k), n >= 0, k >= 1, read by antidiagonals, where column k is the expansion of g.f. (k+1-x^k)/(1-x^k-x^(k+1)).

Table of values

n a(n)
0 2
1 3
2 1
3 4
4 0
5 3
6 5
7 0
8 2
9 4
10 6
11 0
12 0
13 3
14 7
15 7
16 0
17 0
18 3
19 2
20 11
21 8
22 0
23 0
24 0
25 4
26 5
27 18
28 9
29 0
30 0
31 0
32 4
33 0
34 5
35 29
36 10
37 0
38 0
39 0
40 0
41 5
42 3
43 7
44 47
45 11
46 0
47 0
48 0
49 0
50 5
51 0
52 7
53 10
54 76
55 12
56 0
57 0
58 0
59 0
60 0
61 6
62 0
63 4
64 12
65 123
66 13
67 0
68 0
69 0
70 0
71 0
72 6
73 0
74 4
75 3
76 17
77 199

List of values

[2, 3, 1, 4, 0, 3, 5, 0, 2, 4, 6, 0, 0, 3, 7, 7, 0, 0, 3, 2, 11, 8, 0, 0, 0, 4, 5, 18, 9, 0, 0, 0, 4, 0, 5, 29, 10, 0, 0, 0, 0, 5, 3, 7, 47, 11, 0, 0, 0, 0, 5, 0, 7, 10, 76, 12, 0, 0, 0, 0, 0, 6, 0, 4, 12, 123, 13, 0, 0, 0, 0, 0, 6, 0, 4, 3, 17, 199]