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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.

A382920 G.f. A(x) satisfies A(x) = 1/( 1 - x*A(x) / (1-x)^2 )^3.

Table of values

n a(n)
0 1
1 3
2 21
3 160
4 1320
5 11511
6 104451
7 976317
8 9337182
9 90937403
10 898861308
11 8994246132
12 90932043400
13 927452701605
14 9531607969788
15 98609173435172
16 1026121044859890
17 10733030463200814
18 112783955395845926
19 1190060614961391945
20 12604133970419399208
21 133945684546835994915

List of values

[1, 3, 21, 160, 1320, 11511, 104451, 976317, 9337182, 90937403, 898861308, 8994246132, 90932043400, 927452701605, 9531607969788, 98609173435172, 1026121044859890, 10733030463200814, 112783955395845926, 1190060614961391945, 12604133970419399208, 133945684546835994915]

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

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