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.

A373717 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..floor(k*n/(2*k+1))} binomial(k * (n-2*j),j).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 1
13 2
14 1
15 1
16 1
17 1
18 3
19 3
20 1
21 1
22 1
23 1
24 4
25 5
26 4
27 1
28 1
29 1
30 1
31 5
32 7
33 8
34 6
35 1
36 1
37 1
38 1
39 6
40 9
41 13
42 15
43 9
44 1
45 1
46 1
47 1
48 7
49 11
50 19
51 28
52 26
53 13
54 1
55 1
56 1
57 1
58 8
59 13
60 26
61 45
62 53
63 45
64 19
65 1
66 1
67 1
68 1
69 9
70 15
71 34
72 66
73 91
74 105
75 80
76 28
77 1
78 1
79 1
80 1
81 10
82 17
83 43
84 91
85 141
86 201
87 211
88 140
89 41
90 1

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 4, 5, 4, 1, 1, 1, 1, 5, 7, 8, 6, 1, 1, 1, 1, 6, 9, 13, 15, 9, 1, 1, 1, 1, 7, 11, 19, 28, 26, 13, 1, 1, 1, 1, 8, 13, 26, 45, 53, 45, 19, 1, 1, 1, 1, 9, 15, 34, 66, 91, 105, 80, 28, 1, 1, 1, 1, 10, 17, 43, 91, 141, 201, 211, 140, 41, 1]