cp's OEIS Frontend

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.

A139474 a(n) = ((2*sqrt(2) + 3)^(2^(prime(n) - 1) - 1) - (3 - 2*sqrt(2))^(2^(prime(n) - 1) - 1))/(4*sqrt(2)).

Table of values

n a(n)
1 1
2 35
3 53789260175
4 300027707381709879256191290532493317737977820735

List of values

[1, 35, 53789260175, 300027707381709879256191290532493317737977820735]

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

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