A031412 - cp's OEIS frontend

A031412 Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 9.

n	a(n)
1	83
2	103
3	107
4	119
5	328
6	352
7	384
8	416
9	424
10	480
11	735
12	795
13	807
14	879
15	951
16	1011
17	1083
18	1304
19	1432
20	1496
21	1544
22	1688
23	1816
24	1928
25	2035
26	2215
27	2315
28	2335
29	2435
30	2515
31	2535
32	2615
33	2735
34	2815
35	2928
36	2935
37	3015
38	3216
39	3768
40	3792
41	3983
42	4056
43	4344
44	4375
45	4627

[83, 103, 107, 119, 328, 352, 384, 416, 424, 480, 735, 795, 807, 879, 951, 1011, 1083, 1304, 1432, 1496, 1544, 1688, 1816, 1928, 2035, 2215, 2315, 2335, 2435, 2515, 2535, 2615, 2735, 2815, 2928, 2935, 3015, 3216, 3768, 3792, 3983, 4056, 4344, 4375, 4627]

cp's OEIS Frontend

A031412 Numbers k such that the continued fraction for sqrt(k) has even period 2*m and the m-th term of the periodic part is 9.

Table of values

List of values