A346419 - cp's OEIS frontend

A346419 a(n) is twice the coefficient of 1 in the fundamental unit of Q(sqrt(A000037(n))) where A000037 lists the nonsquare numbers (Version 2).

n	a(n)
1	2
2	4
3	1
4	10
5	16
6	2
7	6
8	20
9	4
10	3
11	30
12	8
13	8
14	2
15	340
16	1
17	5
18	394
19	48
20	10
21	10
22	4
23	16
24	5
25	22
26	3040
27	2
28	46
29	70
30	12
31	12
32	74
33	50
34	6
35	64
36	26
37	6964
38	20
39	1
40	48670
41	96
42	4
43	2
44	100
45	3
46	7
47	10
48	178
49	30
50	302
51	198
52	1060
53	8
54	39
55	126
56	16
57	16
58	130
59	97684
60	8
61	25
62	502
63	6960
64	2
65	2136
66	86
67	4
68	340
69	9
70	106
71	160
72	1
73	18
74	164
75	5
76	9
77	20810

[2, 4, 1, 10, 16, 2, 6, 20, 4, 3, 30, 8, 8, 2, 340, 1, 5, 394, 48, 10, 10, 4, 16, 5, 22, 3040, 2, 46, 70, 12, 12, 74, 50, 6, 64, 26, 6964, 20, 1, 48670, 96, 4, 2, 100, 3, 7, 10, 178, 30, 302, 198, 1060, 8, 39, 126, 16, 16, 130, 97684, 8, 25, 502, 6960, 2, 2136, 86, 4, 340, 9, 106, 160, 1, 18, 164, 5, 9, 20810]

cp's OEIS Frontend

A346419 a(n) is twice the coefficient of 1 in the fundamental unit of Q(sqrt(A000037(n))) where A000037 lists the nonsquare numbers (Version 2).

Table of values

List of values