A188644 - cp's OEIS frontend

A188644 Array of (k^n + k^(-n))/2 where k = (sqrt(x^2-1) + x)^2 for integers x >= 1.

n	a(n)
0	1
1	1
2	1
3	1
4	7
5	1
6	1
7	97
8	17
9	1
10	1
11	1351
12	577
13	31
14	1
15	1
16	18817
17	19601
18	1921
19	49
20	1
21	1
22	262087
23	665857
24	119071
25	4801
26	71
27	1
28	1
29	3650401
30	22619537
31	7380481
32	470449
33	10081
34	97
35	1
36	1
37	50843527
38	768398401
39	457470751
40	46099201
41	1431431
42	18817
43	127
44	1

[1, 1, 1, 1, 7, 1, 1, 97, 17, 1, 1, 1351, 577, 31, 1, 1, 18817, 19601, 1921, 49, 1, 1, 262087, 665857, 119071, 4801, 71, 1, 1, 3650401, 22619537, 7380481, 470449, 10081, 97, 1, 1, 50843527, 768398401, 457470751, 46099201, 1431431, 18817, 127, 1]

cp's OEIS Frontend

A188644 Array of (k^n + k^(-n))/2 where k = (sqrt(x^2-1) + x)^2 for integers x >= 1.

Table of values

List of values