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.

A344566 T(n, k) = (-1)^(n - k)*binomial(n - 1, k - 1)*hypergeom([-(n - k)/2, -(n - k - 1)/2], [1 - n], 4). Triangle read by rows, T(n, k) for 0 <= k <= n.

Table of values

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

List of values

[1, 0, 1, 0, -1, 1, 0, 0, -2, 1, 0, 1, 1, -3, 1, 0, -1, 2, 3, -4, 1, 0, 0, -4, 2, 6, -5, 1, 0, 1, 2, -9, 0, 10, -6, 1, 0, -1, 3, 9, -15, -5, 15, -7, 1, 0, 0, -6, 3, 24, -20, -14, 21, -8, 1, 0, 1, 3, -18, -6, 49, -21, -28, 28, -9, 1]