A255234 - cp's OEIS frontend

A255234 One half of the fundamental positive solution y = y2(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	2
2	3
3	5
4	4
5	8
6	5
7	7
8	11
9	8
10	7
11	12
12	14
13	8
14	11
15	13
16	10
17	12
18	10
19	16
20	18
21	15
22	11
23	17
24	14
25	19
26	21
27	20
28	14
29	17
30	26
31	21
32	14
33	18
34	23
35	16
36	15
37	19
38	24
39	18
40	26
41	32
42	23
43	20
44	25
45	19
46	22
47	17
48	29
49	35
50	18
51	28
52	25
53	32
54	21
55	34
56	19
57	29
58	23
59	26
60	31
61	22
62	33
63	28
64	37
65	39
66	41
67	24
68	27
69	22
70	31
71	28
72	33
73	23
74	22
75	30

[2, 3, 5, 4, 8, 5, 7, 11, 8, 7, 12, 14, 8, 11, 13, 10, 12, 10, 16, 18, 15, 11, 17, 14, 19, 21, 20, 14, 17, 26, 21, 14, 18, 23, 16, 15, 19, 24, 18, 26, 32, 23, 20, 25, 19, 22, 17, 29, 35, 18, 28, 25, 32, 21, 34, 19, 29, 23, 26, 31, 22, 33, 28, 37, 39, 41, 24, 27, 22, 31, 28, 33, 23, 22, 30]

cp's OEIS Frontend

A255234 One half of the fundamental positive solution y = y2(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	2
2	3
3	5
4	4
5	8
6	5
7	7
8	11
9	8
10	7
11	12
12	14
13	8
14	11
15	13
16	10
17	12
18	10
19	16
20	18
21	15
22	11
23	17
24	14
25	19
26	21
27	20
28	14
29	17
30	26
31	21
32	14
33	18
34	23
35	16
36	15
37	19
38	24
39	18
40	26
41	32
42	23
43	20
44	25
45	19
46	22
47	17
48	29
49	35
50	18
51	28
52	25
53	32
54	21
55	34
56	19
57	29
58	23
59	26
60	31
61	22
62	33
63	28
64	37
65	39
66	41
67	24
68	27
69	22
70	31
71	28
72	33
73	23
74	22
75	30

n	a(n)
1	2
2	3
3	5
4	4
5	8
6	5
7	7
8	11
9	8
10	7
11	12
12	14
13	8
14	11
15	13
16	10
17	12
18	10
19	16
20	18
21	15
22	11
23	17
24	14
25	19
26	21
27	20
28	14
29	17
30	26
31	21
32	14
33	18
34	23
35	16
36	15
37	19
38	24
39	18
40	26
41	32
42	23
43	20
44	25
45	19
46	22
47	17
48	29
49	35
50	18
51	28
52	25
53	32
54	21
55	34
56	19
57	29
58	23
59	26
60	31
61	22
62	33
63	28
64	37
65	39
66	41
67	24
68	27
69	22
70	31
71	28
72	33
73	23
74	22
75	30

n	a(n)
1	2
2	3
3	5
4	4
5	8
6	5
7	7
8	11
9	8
10	7
11	12
12	14
13	8
14	11
15	13
16	10
17	12
18	10
19	16
20	18
21	15
22	11
23	17
24	14
25	19
26	21
27	20
28	14
29	17
30	26
31	21
32	14
33	18
34	23
35	16
36	15
37	19
38	24
39	18
40	26
41	32
42	23
43	20
44	25
45	19
46	22
47	17
48	29
49	35
50	18
51	28
52	25
53	32
54	21
55	34
56	19
57	29
58	23
59	26
60	31
61	22
62	33
63	28
64	37
65	39
66	41
67	24
68	27
69	22
70	31
71	28
72	33
73	23
74	22
75	30