A102275 - cp's OEIS frontend

A102275 2-class number of Q(sqrt(-21p)) as p runs through primes in A102274.

n	a(n)
1	8
2	32
3	8
4	8
5	8
6	32
7	64
8	8
9	16
10	16
11	64
12	8
13	16
14	16
15	16
16	8
17	32
18	8
19	8
20	8
21	32
22	8
23	16
24	8
25	8
26	8
27	8
28	8
29	32
30	16
31	8
32	16
33	128
34	32
35	32
36	8
37	32
38	16
39	32
40	8
41	128
42	16
43	16
44	16
45	8
46	8
47	16
48	8
49	16
50	8
51	8
52	8
53	16
54	16
55	16
56	8
57	64
58	8
59	8
60	16
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	16
69	16
70	16
71	32
72	16
73	8
74	16
75	32
76	16
77	8
78	8
79	32
80	16
81	16

[8, 32, 8, 8, 8, 32, 64, 8, 16, 16, 64, 8, 16, 16, 16, 8, 32, 8, 8, 8, 32, 8, 16, 8, 8, 8, 8, 8, 32, 16, 8, 16, 128, 32, 32, 8, 32, 16, 32, 8, 128, 16, 16, 16, 8, 8, 16, 8, 16, 8, 8, 8, 16, 16, 16, 8, 64, 8, 8, 16, 8, 8, 8, 8, 8, 8, 8, 16, 16, 16, 32, 16, 8, 16, 32, 16, 8, 8, 32, 16, 16]

cp's OEIS Frontend

A102275 2-class number of Q(sqrt(-21p)) as p runs through primes in A102274.

Table of values

List of values

n	a(n)
1	8
2	32
3	8
4	8
5	8
6	32
7	64
8	8
9	16
10	16
11	64
12	8
13	16
14	16
15	16
16	8
17	32
18	8
19	8
20	8
21	32
22	8
23	16
24	8
25	8
26	8
27	8
28	8
29	32
30	16
31	8
32	16
33	128
34	32
35	32
36	8
37	32
38	16
39	32
40	8
41	128
42	16
43	16
44	16
45	8
46	8
47	16
48	8
49	16
50	8
51	8
52	8
53	16
54	16
55	16
56	8
57	64
58	8
59	8
60	16
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	16
69	16
70	16
71	32
72	16
73	8
74	16
75	32
76	16
77	8
78	8
79	32
80	16
81	16

n	a(n)
1	8
2	32
3	8
4	8
5	8
6	32
7	64
8	8
9	16
10	16
11	64
12	8
13	16
14	16
15	16
16	8
17	32
18	8
19	8
20	8
21	32
22	8
23	16
24	8
25	8
26	8
27	8
28	8
29	32
30	16
31	8
32	16
33	128
34	32
35	32
36	8
37	32
38	16
39	32
40	8
41	128
42	16
43	16
44	16
45	8
46	8
47	16
48	8
49	16
50	8
51	8
52	8
53	16
54	16
55	16
56	8
57	64
58	8
59	8
60	16
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	16
69	16
70	16
71	32
72	16
73	8
74	16
75	32
76	16
77	8
78	8
79	32
80	16
81	16

n	a(n)
1	8
2	32
3	8
4	8
5	8
6	32
7	64
8	8
9	16
10	16
11	64
12	8
13	16
14	16
15	16
16	8
17	32
18	8
19	8
20	8
21	32
22	8
23	16
24	8
25	8
26	8
27	8
28	8
29	32
30	16
31	8
32	16
33	128
34	32
35	32
36	8
37	32
38	16
39	32
40	8
41	128
42	16
43	16
44	16
45	8
46	8
47	16
48	8
49	16
50	8
51	8
52	8
53	16
54	16
55	16
56	8
57	64
58	8
59	8
60	16
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	16
69	16
70	16
71	32
72	16
73	8
74	16
75	32
76	16
77	8
78	8
79	32
80	16
81	16