A065007 - cp's OEIS frontend

A065007 Integers for which the periodic part of the continued fraction for the square root of n begins with 4.

n	a(n)
1	5
2	18
3	39
4	52
5	68
6	85
7	105
8	126
9	149
10	150
11	175
12	202
13	203
14	232
15	263
16	264
17	296
18	297
19	332
20	333
21	369
22	370
23	409
24	410
25	450
26	451
27	493
28	494
29	495
30	539
31	540
32	586
33	587
34	588
35	636
36	637
37	687
38	688
39	689
40	740
41	741
42	742
43	796
44	797
45	798
46	853
47	854
48	855
49	913
50	914
51	915
52	974
53	975

[5, 18, 39, 52, 68, 85, 105, 126, 149, 150, 175, 202, 203, 232, 263, 264, 296, 297, 332, 333, 369, 370, 409, 410, 450, 451, 493, 494, 495, 539, 540, 586, 587, 588, 636, 637, 687, 688, 689, 740, 741, 742, 796, 797, 798, 853, 854, 855, 913, 914, 915, 974, 975]

cp's OEIS Frontend

A065007 Integers for which the periodic part of the continued fraction for the square root of n begins with 4.

Table of values

List of values

n	a(n)
1	5
2	18
3	39
4	52
5	68
6	85
7	105
8	126
9	149
10	150
11	175
12	202
13	203
14	232
15	263
16	264
17	296
18	297
19	332
20	333
21	369
22	370
23	409
24	410
25	450
26	451
27	493
28	494
29	495
30	539
31	540
32	586
33	587
34	588
35	636
36	637
37	687
38	688
39	689
40	740
41	741
42	742
43	796
44	797
45	798
46	853
47	854
48	855
49	913
50	914
51	915
52	974
53	975

n	a(n)
1	5
2	18
3	39
4	52
5	68
6	85
7	105
8	126
9	149
10	150
11	175
12	202
13	203
14	232
15	263
16	264
17	296
18	297
19	332
20	333
21	369
22	370
23	409
24	410
25	450
26	451
27	493
28	494
29	495
30	539
31	540
32	586
33	587
34	588
35	636
36	637
37	687
38	688
39	689
40	740
41	741
42	742
43	796
44	797
45	798
46	853
47	854
48	855
49	913
50	914
51	915
52	974
53	975

n	a(n)
1	5
2	18
3	39
4	52
5	68
6	85
7	105
8	126
9	149
10	150
11	175
12	202
13	203
14	232
15	263
16	264
17	296
18	297
19	332
20	333
21	369
22	370
23	409
24	410
25	450
26	451
27	493
28	494
29	495
30	539
31	540
32	586
33	587
34	588
35	636
36	637
37	687
38	688
39	689
40	740
41	741
42	742
43	796
44	797
45	798
46	853
47	854
48	855
49	913
50	914
51	915
52	974
53	975