A031413 - cp's OEIS frontend

A031413 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 10.

n	a(n)
1	102
2	114
3	118
4	134
5	142
6	228
7	237
8	249
9	273
10	309
11	321
12	404
13	412
14	428
15	436
16	452
17	460
18	476
19	492
20	500
21	508
22	524
23	540
24	548
25	556
26	572
27	630
28	645
29	655
30	670
31	695
32	705
33	745
34	755
35	805
36	820
37	830
38	895
39	906
40	1002
41	1038
42	1050
43	1146
44	1182
45	1194
46	1232
47	1253
48	1290
49	1337

[102, 114, 118, 134, 142, 228, 237, 249, 273, 309, 321, 404, 412, 428, 436, 452, 460, 476, 492, 500, 508, 524, 540, 548, 556, 572, 630, 645, 655, 670, 695, 705, 745, 755, 805, 820, 830, 895, 906, 1002, 1038, 1050, 1146, 1182, 1194, 1232, 1253, 1290, 1337]

cp's OEIS Frontend

A031413 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 10.

Table of values

List of values