A254760 - cp's OEIS frontend

A254760 Fundamental positive solution x = x1(n) of the first class of the Pell equation x^2 - 2*y^2 = A007519(n), n>=1 (primes congruent to 1 mod 8).

n	a(n)
1	5
2	7
3	9
4	11
5	13
6	11
7	13
8	15
9	19
10	21
11	17
12	17
13	21
14	25
15	19
16	23
17	21
18	21
19	29
20	23
21	23
22	31
23	33
24	25
25	27
26	25
27	29
28	31
29	31
30	29
31	29
32	37
33	41
34	31
35	35
36	31
37	37
38	39
39	41
40	43
41	35
42	39
43	35
44	35
45	43
46	35
47	49
48	41
49	37

[5, 7, 9, 11, 13, 11, 13, 15, 19, 21, 17, 17, 21, 25, 19, 23, 21, 21, 29, 23, 23, 31, 33, 25, 27, 25, 29, 31, 31, 29, 29, 37, 41, 31, 35, 31, 37, 39, 41, 43, 35, 39, 35, 35, 43, 35, 49, 41, 37]

cp's OEIS Frontend

A254760 Fundamental positive solution x = x1(n) of the first 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	5
2	7
3	9
4	11
5	13
6	11
7	13
8	15
9	19
10	21
11	17
12	17
13	21
14	25
15	19
16	23
17	21
18	21
19	29
20	23
21	23
22	31
23	33
24	25
25	27
26	25
27	29
28	31
29	31
30	29
31	29
32	37
33	41
34	31
35	35
36	31
37	37
38	39
39	41
40	43
41	35
42	39
43	35
44	35
45	43
46	35
47	49
48	41
49	37

n	a(n)
1	5
2	7
3	9
4	11
5	13
6	11
7	13
8	15
9	19
10	21
11	17
12	17
13	21
14	25
15	19
16	23
17	21
18	21
19	29
20	23
21	23
22	31
23	33
24	25
25	27
26	25
27	29
28	31
29	31
30	29
31	29
32	37
33	41
34	31
35	35
36	31
37	37
38	39
39	41
40	43
41	35
42	39
43	35
44	35
45	43
46	35
47	49
48	41
49	37

n	a(n)
1	5
2	7
3	9
4	11
5	13
6	11
7	13
8	15
9	19
10	21
11	17
12	17
13	21
14	25
15	19
16	23
17	21
18	21
19	29
20	23
21	23
22	31
23	33
24	25
25	27
26	25
27	29
28	31
29	31
30	29
31	29
32	37
33	41
34	31
35	35
36	31
37	37
38	39
39	41
40	43
41	35
42	39
43	35
44	35
45	43
46	35
47	49
48	41
49	37