A254762 - cp's OEIS frontend

A254762 Fundamental positive solution x = x2(n) of the second class of the Pell equation x^2 - 2*y^2 = A007519(n), n >= 1 (primes congruent to 1 mod 8).

n	a(n)
1	7
2	13
3	19
4	17
5	15
6	25
7	23
8	29
9	25
10	23
11	35
12	43
13	31
14	27
15	49
16	37
17	47
18	55
19	31
20	45
21	61
22	37
23	35
24	59
25	49
26	67
27	47
28	45
29	53
30	63
31	71
32	47
33	43
34	77
35	57
36	85
37	55
38	53
39	51
40	49
41	73
42	61
43	81
44	89
45	57
46	97
47	51
48	67
49	87

[7, 13, 19, 17, 15, 25, 23, 29, 25, 23, 35, 43, 31, 27, 49, 37, 47, 55, 31, 45, 61, 37, 35, 59, 49, 67, 47, 45, 53, 63, 71, 47, 43, 77, 57, 85, 55, 53, 51, 49, 73, 61, 81, 89, 57, 97, 51, 67, 87]

cp's OEIS Frontend

A254762 Fundamental positive solution x = x2(n) of the second class of the Pell equation x^2 - 2*y^2 = A007519(n), n >= 1 (primes congruent to 1 mod 8).

Table of values

List of values

n	a(n)
1	7
2	13
3	19
4	17
5	15
6	25
7	23
8	29
9	25
10	23
11	35
12	43
13	31
14	27
15	49
16	37
17	47
18	55
19	31
20	45
21	61
22	37
23	35
24	59
25	49
26	67
27	47
28	45
29	53
30	63
31	71
32	47
33	43
34	77
35	57
36	85
37	55
38	53
39	51
40	49
41	73
42	61
43	81
44	89
45	57
46	97
47	51
48	67
49	87

n	a(n)
1	7
2	13
3	19
4	17
5	15
6	25
7	23
8	29
9	25
10	23
11	35
12	43
13	31
14	27
15	49
16	37
17	47
18	55
19	31
20	45
21	61
22	37
23	35
24	59
25	49
26	67
27	47
28	45
29	53
30	63
31	71
32	47
33	43
34	77
35	57
36	85
37	55
38	53
39	51
40	49
41	73
42	61
43	81
44	89
45	57
46	97
47	51
48	67
49	87

n	a(n)
1	7
2	13
3	19
4	17
5	15
6	25
7	23
8	29
9	25
10	23
11	35
12	43
13	31
14	27
15	49
16	37
17	47
18	55
19	31
20	45
21	61
22	37
23	35
24	59
25	49
26	67
27	47
28	45
29	53
30	63
31	71
32	47
33	43
34	77
35	57
36	85
37	55
38	53
39	51
40	49
41	73
42	61
43	81
44	89
45	57
46	97
47	51
48	67
49	87