A031423 - cp's OEIS frontend

A031423 Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 10.

n	a(n)
1	701
2	1418
3	1493
4	2197
5	2290
6	3257
7	4793
8	6154
9	6466
10	8389
11	8753
12	9577
13	9965
14	10765
15	11257
16	11677
17	12541
18	14218
19	14929
20	15413
21	15658
22	16001
23	16501
24	17009
25	17786
26	18049
27	18314
28	18581
29	19121
30	21577
31	22157
32	22745
33	24557
34	24677
35	25805
36	26561
37	27530
38	28517

[701, 1418, 1493, 2197, 2290, 3257, 4793, 6154, 6466, 8389, 8753, 9577, 9965, 10765, 11257, 11677, 12541, 14218, 14929, 15413, 15658, 16001, 16501, 17009, 17786, 18049, 18314, 18581, 19121, 21577, 22157, 22745, 24557, 24677, 25805, 26561, 27530, 28517]

cp's OEIS Frontend

A031423 Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 10.

Table of values

List of values