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.

A267061 Coefficient of x^2 in the minimal polynomial of the continued fraction [1^n,sqrt(2)+sqrt(3),1,1,...], where 1^n means n ones.

Table of values

n a(n)
0 -50
1 2498
2 173262
3 7783550
4 376636138
5 17527857350
6 826628182158
7 38778106729442
8 1822757247598510
9 85612705715717438
10 4022299792573538250
11 188956642021519970918
12 8877044611408850508622
13 417030260830076184423170
14 19591578937460413027671438

List of values

[-50, 2498, 173262, 7783550, 376636138, 17527857350, 826628182158, 38778106729442, 1822757247598510, 85612705715717438, 4022299792573538250, 188956642021519970918, 8877044611408850508622, 417030260830076184423170, 19591578937460413027671438]