A255248 - cp's OEIS frontend

A255248 Fundamental positive solution y = y2(n) of the second class of the Pell equation x^2 - 2*y^2 = -A001132(n), n>=1 (primes congruent to {1,7} mod 8).

n	a(n)
1	4
2	7
3	6
4	10
5	9
6	8
7	16
8	11
9	10
10	15
11	19
12	14
13	13
14	22
15	17
16	16
17	14
18	24
19	19
20	28
21	16
22	27
23	22
24	31
25	21
26	26
27	20
28	19
29	24
30	29
31	37
32	21
33	20
34	32
35	36
36	31
37	25
38	30
39	23
40	22
41	43
42	29
43	34
44	28
45	38
46	42
47	25
48	45
49	49
50	29
51	40
52	35
53	28
54	27
55	34
56	39
57	52
58	43
59	42
60	28
61	36
62	46
63	41
64	35
65	33
66	32

[4, 7, 6, 10, 9, 8, 16, 11, 10, 15, 19, 14, 13, 22, 17, 16, 14, 24, 19, 28, 16, 27, 22, 31, 21, 26, 20, 19, 24, 29, 37, 21, 20, 32, 36, 31, 25, 30, 23, 22, 43, 29, 34, 28, 38, 42, 25, 45, 49, 29, 40, 35, 28, 27, 34, 39, 52, 43, 42, 28, 36, 46, 41, 35, 33, 32]

cp's OEIS Frontend

A255248 Fundamental positive solution y = y2(n) of the second class of the Pell equation x^2 - 2*y^2 = -A001132(n), n>=1 (primes congruent to {1,7} mod 8).

Table of values

List of values

n	a(n)
1	4
2	7
3	6
4	10
5	9
6	8
7	16
8	11
9	10
10	15
11	19
12	14
13	13
14	22
15	17
16	16
17	14
18	24
19	19
20	28
21	16
22	27
23	22
24	31
25	21
26	26
27	20
28	19
29	24
30	29
31	37
32	21
33	20
34	32
35	36
36	31
37	25
38	30
39	23
40	22
41	43
42	29
43	34
44	28
45	38
46	42
47	25
48	45
49	49
50	29
51	40
52	35
53	28
54	27
55	34
56	39
57	52
58	43
59	42
60	28
61	36
62	46
63	41
64	35
65	33
66	32

n	a(n)
1	4
2	7
3	6
4	10
5	9
6	8
7	16
8	11
9	10
10	15
11	19
12	14
13	13
14	22
15	17
16	16
17	14
18	24
19	19
20	28
21	16
22	27
23	22
24	31
25	21
26	26
27	20
28	19
29	24
30	29
31	37
32	21
33	20
34	32
35	36
36	31
37	25
38	30
39	23
40	22
41	43
42	29
43	34
44	28
45	38
46	42
47	25
48	45
49	49
50	29
51	40
52	35
53	28
54	27
55	34
56	39
57	52
58	43
59	42
60	28
61	36
62	46
63	41
64	35
65	33
66	32

n	a(n)
1	4
2	7
3	6
4	10
5	9
6	8
7	16
8	11
9	10
10	15
11	19
12	14
13	13
14	22
15	17
16	16
17	14
18	24
19	19
20	28
21	16
22	27
23	22
24	31
25	21
26	26
27	20
28	19
29	24
30	29
31	37
32	21
33	20
34	32
35	36
36	31
37	25
38	30
39	23
40	22
41	43
42	29
43	34
44	28
45	38
46	42
47	25
48	45
49	49
50	29
51	40
52	35
53	28
54	27
55	34
56	39
57	52
58	43
59	42
60	28
61	36
62	46
63	41
64	35
65	33
66	32