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.

A052647 E.g.f. (2-2x-x^2)/((1-2x)(1-x^2)).

Table of values

n a(n)
0 2
1 2
2 10
3 48
4 408
5 3840
6 46800
7 645120
8 10362240
9 185794560
10 3719520000
11 81749606400
12 1962469555200
13 51011754393600
14 1428416301312000
15 42849873690624000
16 1371216880889856000
17 46620662575398912000

List of values

[2, 2, 10, 48, 408, 3840, 46800, 645120, 10362240, 185794560, 3719520000, 81749606400, 1962469555200, 51011754393600, 1428416301312000, 42849873690624000, 1371216880889856000, 46620662575398912000]

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

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