A387207 - cp's OEIS frontend

A387207 The maximal norm of an additively indecomposable element in the real quadratic field Q(sqrt(D)), where D = A005117(n) is the n-th squarefree number.

n	a(n)
2	2
3	1
4	1
5	3
6	2
7	10
8	5
9	3
10	2
11	1
12	4
13	9
14	1
15	11
16	2
17	26
18	7
19	6
20	10
21	4
22	2
23	1
24	9
25	19
26	13
27	10
28	7
29	21
30	9
31	2
32	25
33	13
34	9
35	7
36	58
37	29
38	15
39	2
40	16
41	33
42	33
43	3
44	14
45	10
46	18
47	74
48	1
49	3
50	2
51	82
52	41
53	21
54	43
55	13
56	22
57	30
58	7
59	18
60	5
61	24
62	25
63	51
64	34
65	4
66	106
67	53
68	27
69	11
70	37
71	28
72	57
73	9
74	59
75	2
76	122
77	61
78	42
79	16
80	130
81	65
82	11

[2, 1, 1, 3, 2, 10, 5, 3, 2, 1, 4, 9, 1, 11, 2, 26, 7, 6, 10, 4, 2, 1, 9, 19, 13, 10, 7, 21, 9, 2, 25, 13, 9, 7, 58, 29, 15, 2, 16, 33, 33, 3, 14, 10, 18, 74, 1, 3, 2, 82, 41, 21, 43, 13, 22, 30, 7, 18, 5, 24, 25, 51, 34, 4, 106, 53, 27, 11, 37, 28, 57, 9, 59, 2, 122, 61, 42, 16, 130, 65, 11]

cp's OEIS Frontend

A387207 The maximal norm of an additively indecomposable element in the real quadratic field Q(sqrt(D)), where D = A005117(n) is the n-th squarefree number.

Table of values

List of values

n	a(n)
2	2
3	1
4	1
5	3
6	2
7	10
8	5
9	3
10	2
11	1
12	4
13	9
14	1
15	11
16	2
17	26
18	7
19	6
20	10
21	4
22	2
23	1
24	9
25	19
26	13
27	10
28	7
29	21
30	9
31	2
32	25
33	13
34	9
35	7
36	58
37	29
38	15
39	2
40	16
41	33
42	33
43	3
44	14
45	10
46	18
47	74
48	1
49	3
50	2
51	82
52	41
53	21
54	43
55	13
56	22
57	30
58	7
59	18
60	5
61	24
62	25
63	51
64	34
65	4
66	106
67	53
68	27
69	11
70	37
71	28
72	57
73	9
74	59
75	2
76	122
77	61
78	42
79	16
80	130
81	65
82	11

n	a(n)
2	2
3	1
4	1
5	3
6	2
7	10
8	5
9	3
10	2
11	1
12	4
13	9
14	1
15	11
16	2
17	26
18	7
19	6
20	10
21	4
22	2
23	1
24	9
25	19
26	13
27	10
28	7
29	21
30	9
31	2
32	25
33	13
34	9
35	7
36	58
37	29
38	15
39	2
40	16
41	33
42	33
43	3
44	14
45	10
46	18
47	74
48	1
49	3
50	2
51	82
52	41
53	21
54	43
55	13
56	22
57	30
58	7
59	18
60	5
61	24
62	25
63	51
64	34
65	4
66	106
67	53
68	27
69	11
70	37
71	28
72	57
73	9
74	59
75	2
76	122
77	61
78	42
79	16
80	130
81	65
82	11

n	a(n)
2	2
3	1
4	1
5	3
6	2
7	10
8	5
9	3
10	2
11	1
12	4
13	9
14	1
15	11
16	2
17	26
18	7
19	6
20	10
21	4
22	2
23	1
24	9
25	19
26	13
27	10
28	7
29	21
30	9
31	2
32	25
33	13
34	9
35	7
36	58
37	29
38	15
39	2
40	16
41	33
42	33
43	3
44	14
45	10
46	18
47	74
48	1
49	3
50	2
51	82
52	41
53	21
54	43
55	13
56	22
57	30
58	7
59	18
60	5
61	24
62	25
63	51
64	34
65	4
66	106
67	53
68	27
69	11
70	37
71	28
72	57
73	9
74	59
75	2
76	122
77	61
78	42
79	16
80	130
81	65
82	11