A146343 - cp's OEIS frontend

A146343 a(n) = smallest number k such that the continued fraction of (1 + sqrt(k))/2 has period n.

n	a(n)
1	5
2	2
3	17
4	6
5	41
6	18
7	89
8	31
9	73
10	43
11	265
12	94
13	421
14	118
15	193
16	172
17	521
18	106
19	241
20	151
21	337
22	489
23	433
24	268
25	929
26	211
27	409
28	334
29	673
30	379
31	937
32	463
33	601
34	331
35	769
36	721
37	2297
38	619
39	1033
40	718
41	1777
42	394
43	1753
44	604
45	1993
46	634
47	1249
48	526
49	3649
50	694

[5, 2, 17, 6, 41, 18, 89, 31, 73, 43, 265, 94, 421, 118, 193, 172, 521, 106, 241, 151, 337, 489, 433, 268, 929, 211, 409, 334, 673, 379, 937, 463, 601, 331, 769, 721, 2297, 619, 1033, 718, 1777, 394, 1753, 604, 1993, 634, 1249, 526, 3649, 694]

cp's OEIS Frontend

A146343 a(n) = smallest number k such that the continued fraction of (1 + sqrt(k))/2 has period n.

Table of values

List of values