A254766 - cp's OEIS frontend

A254766 Fundamental positive solution x = x2(n) of the second class of the Pell equation x^2 - 2*y^2 = A007522(n), n >=1 (primes congruent to 7 mod 8).

n	a(n)
1	5
2	11
3	9
4	17
5	13
6	23
7	21
8	17
9	27
10	35
11	23
12	21
13	41
14	31
15	29
16	39
17	37
18	53
19	33
20	31
21	41
22	59
23	39
24	49
25	37
26	35
27	43
28	63
29	53
30	37
31	49
32	77
33	59
34	47
35	75
36	83
37	65
38	53
39	73
40	51
41	45
42	61
43	71
44	59
45	79
46	69
47	95
48	55
49	49
50	101

[5, 11, 9, 17, 13, 23, 21, 17, 27, 35, 23, 21, 41, 31, 29, 39, 37, 53, 33, 31, 41, 59, 39, 49, 37, 35, 43, 63, 53, 37, 49, 77, 59, 47, 75, 83, 65, 53, 73, 51, 45, 61, 71, 59, 79, 69, 95, 55, 49, 101]

cp's OEIS Frontend

A254766 Fundamental positive solution x = x2(n) of the second class of the Pell equation x^2 - 2*y^2 = A007522(n), n >=1 (primes congruent to 7 mod 8).

Table of values

List of values

n	a(n)
1	5
2	11
3	9
4	17
5	13
6	23
7	21
8	17
9	27
10	35
11	23
12	21
13	41
14	31
15	29
16	39
17	37
18	53
19	33
20	31
21	41
22	59
23	39
24	49
25	37
26	35
27	43
28	63
29	53
30	37
31	49
32	77
33	59
34	47
35	75
36	83
37	65
38	53
39	73
40	51
41	45
42	61
43	71
44	59
45	79
46	69
47	95
48	55
49	49
50	101

n	a(n)
1	5
2	11
3	9
4	17
5	13
6	23
7	21
8	17
9	27
10	35
11	23
12	21
13	41
14	31
15	29
16	39
17	37
18	53
19	33
20	31
21	41
22	59
23	39
24	49
25	37
26	35
27	43
28	63
29	53
30	37
31	49
32	77
33	59
34	47
35	75
36	83
37	65
38	53
39	73
40	51
41	45
42	61
43	71
44	59
45	79
46	69
47	95
48	55
49	49
50	101

n	a(n)
1	5
2	11
3	9
4	17
5	13
6	23
7	21
8	17
9	27
10	35
11	23
12	21
13	41
14	31
15	29
16	39
17	37
18	53
19	33
20	31
21	41
22	59
23	39
24	49
25	37
26	35
27	43
28	63
29	53
30	37
31	49
32	77
33	59
34	47
35	75
36	83
37	65
38	53
39	73
40	51
41	45
42	61
43	71
44	59
45	79
46	69
47	95
48	55
49	49
50	101