A031551 - cp's OEIS frontend

A031551 Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 53.

n	a(n)
1	2811
2	2819
3	2839
4	2843
5	2851
6	2859
7	2863
8	2879
9	2887
10	2903
11	2911
12	2927
13	2931
14	2939
15	2963
16	2971
17	2979
18	2999
19	3007
20	3011
21	3019
22	3023
23	11240
24	11264
25	11296
26	11328
27	11336
28	11424
29	11432
30	11456
31	11520
32	11560
33	11584
34	11616
35	11624
36	11648
37	11680
38	11712
39	11720

[2811, 2819, 2839, 2843, 2851, 2859, 2863, 2879, 2887, 2903, 2911, 2927, 2931, 2939, 2963, 2971, 2979, 2999, 3007, 3011, 3019, 3023, 11240, 11264, 11296, 11328, 11336, 11424, 11432, 11456, 11520, 11560, 11584, 11616, 11624, 11648, 11680, 11712, 11720]

cp's OEIS Frontend

A031551 Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 53.

Table of values

List of values