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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.

A301932 G.f. A(x) satisfies: A(x) = x*(1 + 3*A(x)*A'(x)) / (1 + A(x)*A'(x)).

Table of values

n a(n)
1 1
2 2
3 10
4 74
5 710
6 8322
7 115018
8 1828962
9 32852526
10 657188258
11 14477811178
12 348100068698
13 9067809569750
14 254354791759298
15 7642986480897930
16 244923580410697938
17 8337728465913016926
18 300482221889444825154
19 11429089791630856291018
20 457542303069698601849194
21 19230862148761320966737254
22 846710680545018639230252418

List of values

[1, 2, 10, 74, 710, 8322, 115018, 1828962, 32852526, 657188258, 14477811178, 348100068698, 9067809569750, 254354791759298, 7642986480897930, 244923580410697938, 8337728465913016926, 300482221889444825154, 11429089791630856291018, 457542303069698601849194, 19230862148761320966737254, 846710680545018639230252418]

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

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