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.

A300481 Rectangular array read by antidiagonals: a(m,n) = 2 * Integral_{t>=0} T_n((t-m)/2)*exp(-t)*dt, m>=0, n>=0, where T_n(x) is n-th Chebyshev polynomial of first kind.

Table of values

n a(n)
0 2
1 2
2 1
3 2
4 0
5 0
6 2
7 -1
8 -1
9 3
10 2
11 -2
12 0
13 2
14 18
15 2
16 -3
17 3
18 1
19 7
20 95
21 2
22 -4
23 8
24 -6
25 2
26 34
27 592
28 2
29 -5
30 15
31 -25
32 15
33 13
34 218
35 4277
36 2
37 -6
38 24
39 -62
40 82
41 -28
42 80
43 1574
44 35010
45 2
46 -7
47 35
48 -123
49 263
50 -269
51 106
52 579
53 12879
54 320589

List of values

[2, 2, 1, 2, 0, 0, 2, -1, -1, 3, 2, -2, 0, 2, 18, 2, -3, 3, 1, 7, 95, 2, -4, 8, -6, 2, 34, 592, 2, -5, 15, -25, 15, 13, 218, 4277, 2, -6, 24, -62, 82, -28, 80, 1574, 35010, 2, -7, 35, -123, 263, -269, 106, 579, 12879, 320589]