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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.

A304443 Coefficient of x^n in Product_{k>=1} (1+x^k)^(2*n).

Table of values

n a(n)
0 1
1 2
2 10
3 62
4 394
5 2562
6 16966
7 113794
8 770442
9 5254334
10 36042250
11 248403586
12 1718732998
13 11931569028
14 83064794746
15 579696375972
16 4054279504266
17 28408328186508
18 199390547044342
19 1401564307833908
20 9865190079554954
21 69522550703432476
22 490484539061916794

List of values

[1, 2, 10, 62, 394, 2562, 16966, 113794, 770442, 5254334, 36042250, 248403586, 1718732998, 11931569028, 83064794746, 579696375972, 4054279504266, 28408328186508, 199390547044342, 1401564307833908, 9865190079554954, 69522550703432476, 490484539061916794]

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

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