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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.

A322211 a(n) = coefficient of x^n*y^n in Product_{n>=1} 1/(1 - (x^n + y^n)).

Table of values

n a(n)
0 1
1 2
2 10
3 38
4 158
5 602
6 2382
7 9142
8 35492
9 136936
10 530404
11 2053848
12 7972272
13 30977742
14 120576112
15 469915012
16 1833813534
17 7164469910
18 28021000340
19 109699469798
20 429850240742
21 1685728936622
22 6615913739206
23 25983523253950
24 102115250446680
25 401557335718522
26 1579978592844064
27 6219928993470190
28 24498287876663618
29 96535916978924934
30 380568644820360668

List of values

[1, 2, 10, 38, 158, 602, 2382, 9142, 35492, 136936, 530404, 2053848, 7972272, 30977742, 120576112, 469915012, 1833813534, 7164469910, 28021000340, 109699469798, 429850240742, 1685728936622, 6615913739206, 25983523253950, 102115250446680, 401557335718522, 1579978592844064, 6219928993470190, 24498287876663618, 96535916978924934, 380568644820360668]

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

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