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.

A002190 Sum_{n>=0} a(n)*x^n/n!^2 = -log(BesselJ(0,2*sqrt(x))).

Table of values

n a(n)
0 0
1 1
2 1
3 4
4 33
5 456
6 9460
7 274800
8 10643745
9 530052880
10 32995478376
11 2510382661920
12 229195817258100
13 24730000147369440
14 3113066087894608560
15 452168671458789789504
16 75059305956331837485345
17 14121026957032156557396000
18 2988687741694684876495689040

List of values

[0, 1, 1, 4, 33, 456, 9460, 274800, 10643745, 530052880, 32995478376, 2510382661920, 229195817258100, 24730000147369440, 3113066087894608560, 452168671458789789504, 75059305956331837485345, 14121026957032156557396000, 2988687741694684876495689040]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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