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.

A267080 Coefficient of x^2 in the minimal polynomial of the continued fraction [1^n,2^(1/3),1,1,...], where 1^n means n ones.

Table of values

n a(n)
0 -6
1 -66
2 1110
3 18318
4 333750
5 5938446
6 106865274
7 1915425570
8 34385669382
9 616923941070
10 11070947149014
11 198655308975486
12 3564757609030650
13 63966755470710018
14 1147838391054195510
15 20597113658105850126
16 369600280281802257654
17 6632207432249371045230

List of values

[-6, -66, 1110, 18318, 333750, 5938446, 106865274, 1915425570, 34385669382, 616923941070, 11070947149014, 198655308975486, 3564757609030650, 63966755470710018, 1147838391054195510, 20597113658105850126, 369600280281802257654, 6632207432249371045230]