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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.

A371495 G.f. A(x) satisfies A(x) = 1 / (1 - x*A(x) / (1+x))^3.

Table of values

n a(n)
0 1
1 3
2 12
3 64
4 381
5 2430
6 16227
7 112008
8 792717
9 5721165
10 41945373
11 311529831
12 2338909219
13 17722127580
14 135346614906
15 1040779011412
16 8051611785006
17 62620659604659
18 489339248275242
19 3840135625895886
20 30251386980891657
21 239138782521553659
22 1896380840948325606

List of values

[1, 3, 12, 64, 381, 2430, 16227, 112008, 792717, 5721165, 41945373, 311529831, 2338909219, 17722127580, 135346614906, 1040779011412, 8051611785006, 62620659604659, 489339248275242, 3840135625895886, 30251386980891657, 239138782521553659, 1896380840948325606]

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

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