A352555 - cp's OEIS frontend

A352555 a(n) = number of modules with n elements over the ring of integers in the real quadratic field of discriminant 21.

n	a(n)
1	1
2	0
3	1
4	1
5	2
6	0
7	1
8	0
9	2
10	0
11	0
12	1
13	0
14	0
15	2
16	2
17	2
18	0
19	0
20	2
21	1
22	0
23	0
24	0
25	5
26	0
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	0
41	2
42	0
43	2
44	0
45	4
46	0
47	2
48	2
49	2
50	0
51	2
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	2
60	2
61	0
62	0
63	2
64	3
65	0
66	0
67	2
68	2
69	0
70	0
71	0
72	0
73	0
74	0
75	5
76	0
77	0
78	0
79	2
80	4
81	5
82	0
83	2
84	1
85	4
86	0
87	0
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	5
101	2
102	0
103	0
104	0
105	2
106	0
107	0
108	3
109	2
110	0
111	2
112	2
113	0
114	0
115	0
116	0
117	0
118	0

[1, 0, 1, 1, 2, 0, 1, 0, 2, 0, 0, 1, 0, 0, 2, 2, 2, 0, 0, 2, 1, 0, 0, 0, 5, 0, 3, 1, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 2, 0, 4, 0, 2, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 2, 3, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 2, 4, 5, 0, 2, 1, 4, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 2, 0, 0, 0, 2, 0, 0, 3, 2, 0, 2, 2, 0, 0, 0, 0, 0, 0]

cp's OEIS Frontend

A352555 a(n) = number of modules with n elements over the ring of integers in the real quadratic field of discriminant 21.

Table of values

List of values

n	a(n)
1	1
2	0
3	1
4	1
5	2
6	0
7	1
8	0
9	2
10	0
11	0
12	1
13	0
14	0
15	2
16	2
17	2
18	0
19	0
20	2
21	1
22	0
23	0
24	0
25	5
26	0
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	0
41	2
42	0
43	2
44	0
45	4
46	0
47	2
48	2
49	2
50	0
51	2
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	2
60	2
61	0
62	0
63	2
64	3
65	0
66	0
67	2
68	2
69	0
70	0
71	0
72	0
73	0
74	0
75	5
76	0
77	0
78	0
79	2
80	4
81	5
82	0
83	2
84	1
85	4
86	0
87	0
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	5
101	2
102	0
103	0
104	0
105	2
106	0
107	0
108	3
109	2
110	0
111	2
112	2
113	0
114	0
115	0
116	0
117	0
118	0

n	a(n)
1	1
2	0
3	1
4	1
5	2
6	0
7	1
8	0
9	2
10	0
11	0
12	1
13	0
14	0
15	2
16	2
17	2
18	0
19	0
20	2
21	1
22	0
23	0
24	0
25	5
26	0
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	0
41	2
42	0
43	2
44	0
45	4
46	0
47	2
48	2
49	2
50	0
51	2
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	2
60	2
61	0
62	0
63	2
64	3
65	0
66	0
67	2
68	2
69	0
70	0
71	0
72	0
73	0
74	0
75	5
76	0
77	0
78	0
79	2
80	4
81	5
82	0
83	2
84	1
85	4
86	0
87	0
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	5
101	2
102	0
103	0
104	0
105	2
106	0
107	0
108	3
109	2
110	0
111	2
112	2
113	0
114	0
115	0
116	0
117	0
118	0

n	a(n)
1	1
2	0
3	1
4	1
5	2
6	0
7	1
8	0
9	2
10	0
11	0
12	1
13	0
14	0
15	2
16	2
17	2
18	0
19	0
20	2
21	1
22	0
23	0
24	0
25	5
26	0
27	3
28	1
29	0
30	0
31	0
32	0
33	0
34	0
35	2
36	2
37	2
38	0
39	0
40	0
41	2
42	0
43	2
44	0
45	4
46	0
47	2
48	2
49	2
50	0
51	2
52	0
53	0
54	0
55	0
56	0
57	0
58	0
59	2
60	2
61	0
62	0
63	2
64	3
65	0
66	0
67	2
68	2
69	0
70	0
71	0
72	0
73	0
74	0
75	5
76	0
77	0
78	0
79	2
80	4
81	5
82	0
83	2
84	1
85	4
86	0
87	0
88	0
89	2
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	0
98	0
99	0
100	5
101	2
102	0
103	0
104	0
105	2
106	0
107	0
108	3
109	2
110	0
111	2
112	2
113	0
114	0
115	0
116	0
117	0
118	0