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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.

A228789 a(n) = 2^L(n) + 1, where L(n) is A000032(n).

Table of values

n a(n)
0 5
1 3
2 9
3 17
4 129
5 2049
6 262145
7 536870913
8 140737488355329
9 75557863725914323419137
10 10633823966279326983230456482242756609
11 803469022129495137770981046170581301261101496891396417650689

List of values

[5, 3, 9, 17, 129, 2049, 262145, 536870913, 140737488355329, 75557863725914323419137, 10633823966279326983230456482242756609, 803469022129495137770981046170581301261101496891396417650689]

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

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