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.

A293491 a(n) = n! * [x^n] exp((n+2)*x)*BesselI(0,2*x).

Table of values

n a(n)
0 1
1 3
2 18
3 155
4 1734
5 23877
6 390804
7 7417377
8 160256070
9 3885021569
10 104465601756
11 3086353547433
12 99399100528924
13 3466411543407555
14 130151205663179112
15 5235127829223881895
16 224609180728848273990
17 10239557195235638377449
18 494317596005491398892620
19 25192788307121307053168673

List of values

[1, 3, 18, 155, 1734, 23877, 390804, 7417377, 160256070, 3885021569, 104465601756, 3086353547433, 99399100528924, 3466411543407555, 130151205663179112, 5235127829223881895, 224609180728848273990, 10239557195235638377449, 494317596005491398892620, 25192788307121307053168673]