A357600 - cp's OEIS frontend

A357600 Largest number k such that C(-k) is the cyclic group of order n, where C(D) is the class group of the quadratic field with discriminant D; or 0 if no such k exists.

n	a(n)
1	163
2	427
3	907
4	1555
5	2683
6	3763
7	5923
8	5947
9	10627
10	13843
11	15667
12	17803
13	20563
14	30067
15	34483
16	31243
17	37123
18	48427
19	38707
20	58507
21	61483
22	85507
23	90787
24	111763
25	93307
26	103027
27	103387
28	126043
29	166147
30	134467
31	133387
32	164803
33	222643
34	189883
35	210907
36	217627
37	158923
38	289963
39	253507

[163, 427, 907, 1555, 2683, 3763, 5923, 5947, 10627, 13843, 15667, 17803, 20563, 30067, 34483, 31243, 37123, 48427, 38707, 58507, 61483, 85507, 90787, 111763, 93307, 103027, 103387, 126043, 166147, 134467, 133387, 164803, 222643, 189883, 210907, 217627, 158923, 289963, 253507]

cp's OEIS Frontend

A357600 Largest number k such that C(-k) is the cyclic group of order n, where C(D) is the class group of the quadratic field with discriminant D; or 0 if no such k exists.

Table of values

List of values