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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.

A306063 O.g.f. A(x) satisfies: Sum_{n>=1} (2^n*x - A(x))^n / n = 0.

Table of values

n a(n)
1 2
2 2
3 68
4 9398
5 4833428
6 9454918068
7 72006088426248
8 2165455076559211174
9 259347215815106405220132
10 124310299732163916975832447388
11 239094057363977384232311742474570360
12 1847535112178186477442381068773529944826172
13 57378255829217503847229646446662951215946818659912
14 7161580198468591866673993366959923994699839199088716021928

List of values

[2, 2, 68, 9398, 4833428, 9454918068, 72006088426248, 2165455076559211174, 259347215815106405220132, 124310299732163916975832447388, 239094057363977384232311742474570360, 1847535112178186477442381068773529944826172, 57378255829217503847229646446662951215946818659912, 7161580198468591866673993366959923994699839199088716021928]

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

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