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.

A128889 a(n) = (2^(n^2) - 1)/(2^n - 1).

Table of values

n a(n)
1 1
2 5
3 73
4 4369
5 1082401
6 1090785345
7 4432676798593
8 72340172838076673
9 4731607904558235517441
10 1239150146850664126585242625
11 1298708349570020393652962442872833
12 5445847423328601499764522166702896582657
13 91355004067076339167413824240109498970069278721

List of values

[1, 5, 73, 4369, 1082401, 1090785345, 4432676798593, 72340172838076673, 4731607904558235517441, 1239150146850664126585242625, 1298708349570020393652962442872833, 5445847423328601499764522166702896582657, 91355004067076339167413824240109498970069278721]