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.

A352373 a(n) = [x^n] ( 1/((1 - x)^2*(1 - x^2)) )^n for n >= 1.

Table of values

n a(n)
1 2
2 12
3 74
4 484
5 3252
6 22260
7 154352
8 1080612
9 7621526
10 54071512
11 385454940
12 2758690636
13 19810063392
14 142662737376
15 1029931873824
16 7451492628260
17 54013574117106
18 392188079586468
19 2851934621212598
20 20766924805302984
21 151403389181347160
22 1105047483656041080

List of values

[2, 12, 74, 484, 3252, 22260, 154352, 1080612, 7621526, 54071512, 385454940, 2758690636, 19810063392, 142662737376, 1029931873824, 7451492628260, 54013574117106, 392188079586468, 2851934621212598, 20766924805302984, 151403389181347160, 1105047483656041080]

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

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