A266712 - cp's OEIS frontend

A266712 Coefficient of x^2 in the minimal polynomial of the continued fraction [1^n,sqrt(2),1,1,...], where 1^n means n ones.

n	a(n)
0	-5
1	-7
2	-7
3	115
4	607
5	4615
6	30427
7	211687
8	1442695
9	9909907
10	67867135
11	465315847
12	3188935867
13	21858303175
14	149816390407
15	1026863749555
16	7038210692767
17	48240661271047
18	330646286854555
19	2266283690589607
20	15533338646986375
21	106467089195295187

[-5, -7, -7, 115, 607, 4615, 30427, 211687, 1442695, 9909907, 67867135, 465315847, 3188935867, 21858303175, 149816390407, 1026863749555, 7038210692767, 48240661271047, 330646286854555, 2266283690589607, 15533338646986375, 106467089195295187]

cp's OEIS Frontend

A266712 Coefficient of x^2 in the minimal polynomial of the continued fraction [1^n,sqrt(2),1,1,...], where 1^n means n ones.

Table of values

List of values