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.

A300483 a(n) = 2 * Integral_{t>=0} T_n((t+1)/2) * exp(-t) * dt, 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 3
3 10
4 47
5 256
6 1610
7 11628
8 95167
9 871450
10 8833459
11 98233158
12 1189398050
13 15578268382
14 219483388403
15 3310225751098
16 53214450175743
17 908397242172212
18 16411016615547530
19 312824583201360248
20 6274726126933368879
21 132115002152296986730
22 2913432246090160413827

List of values

[2, 2, 3, 10, 47, 256, 1610, 11628, 95167, 871450, 8833459, 98233158, 1189398050, 15578268382, 219483388403, 3310225751098, 53214450175743, 908397242172212, 16411016615547530, 312824583201360248, 6274726126933368879, 132115002152296986730, 2913432246090160413827]