A341862 - cp's OEIS frontend

A341862 a(n) is the even term in the linear recurrence signature for numerators and denominators of continued fraction convergents to sqrt(n), or 0 if n is a square.

n	a(n)
0	0
1	0
2	2
3	4
4	0
5	4
6	10
7	16
8	6
9	0
10	6
11	20
12	14
13	36
14	30
15	8
16	0
17	8
18	34
19	340
20	18
21	110
22	394
23	48
24	10
25	0
26	10
27	52
28	254
29	140
30	22
31	3040
32	34
33	46
34	70
35	12
36	0
37	12
38	74
39	50
40	38
41	64
42	26
43	6964
44	398
45	322
46	48670
47	96
48	14
49	0
50	14
51	100
52	1298
53	364
54	970
55	178
56	30
57	302
58	198
59	1060
60	62
61	59436

[0, 0, 2, 4, 0, 4, 10, 16, 6, 0, 6, 20, 14, 36, 30, 8, 0, 8, 34, 340, 18, 110, 394, 48, 10, 0, 10, 52, 254, 140, 22, 3040, 34, 46, 70, 12, 0, 12, 74, 50, 38, 64, 26, 6964, 398, 322, 48670, 96, 14, 0, 14, 100, 1298, 364, 970, 178, 30, 302, 198, 1060, 62, 59436]

cp's OEIS Frontend

A341862 a(n) is the even term in the linear recurrence signature for numerators and denominators of continued fraction convergents to sqrt(n), or 0 if n is a square.

Table of values

List of values