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.

A052567 E.g.f.: (1-x)^2/(1-3*x+x^2).

Table of values

n a(n)
0 1
1 1
2 6
3 48
4 504
5 6600
6 103680
7 1900080
8 39795840
9 937681920
10 24548832000
11 706966444800
12 22210346188800
13 755916735974400
14 27706219904563200
15 1088037381150720000
16 45576301518139392000
17 2028445209752113152000
18 95589693062063456256000
19 4754884242802394308608000

List of values

[1, 1, 6, 48, 504, 6600, 103680, 1900080, 39795840, 937681920, 24548832000, 706966444800, 22210346188800, 755916735974400, 27706219904563200, 1088037381150720000, 45576301518139392000, 2028445209752113152000, 95589693062063456256000, 4754884242802394308608000]

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

Content is available under The OEIS End-User License Agreement.