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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.

A059723 Mean of the first 2^n nonnegative powers of 3, i.e., (1 + 3 + 3^2 + ... + 3^(2^n-1))/2^n.

Table of values

n a(n)
0 1
1 2
2 10
3 410
4 1345210
5 28953440450810
6 26825654846035253786389446010
7 46055408506791340513753409614892651037805514032327504332410

List of values

[1, 2, 10, 410, 1345210, 28953440450810, 26825654846035253786389446010, 46055408506791340513753409614892651037805514032327504332410]

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

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