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.

A129291 a(n) = 1 - 3^(3^n) + 9^(3^n).

Table of values

n a(n)
0 7
1 703
2 387400807
3 58149737003032434092905183
4 196627050475552913618075908526912116282660024455971729157367165907347241304007

List of values

[7, 703, 387400807, 58149737003032434092905183, 196627050475552913618075908526912116282660024455971729157367165907347241304007]

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

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