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.

A097742 Pell equation solutions (10*b(n))^2 - 101*a(n)^2 = -1 with b(n)=A097741(n), n >= 0.

Table of values

n a(n)
0 1
1 401
2 161201
3 64802401
4 26050404001
5 10472197606001
6 4209797387208401
7 1692328077460171201
8 680311677341601614401
9 273483601963246388818001
10 109939727677547706703222001
11 44195497042772214848306426401
12 17766479871466752821312480191201
13 7142080712832591861952768730436401

List of values

[1, 401, 161201, 64802401, 26050404001, 10472197606001, 4209797387208401, 1692328077460171201, 680311677341601614401, 273483601963246388818001, 109939727677547706703222001, 44195497042772214848306426401, 17766479871466752821312480191201, 7142080712832591861952768730436401]