A330221 - cp's OEIS frontend

A330221 Numbers d such that -d is a fundamental discriminant and all primes smaller than 2*sqrt(d)/Pi ramify or remain inert in the ring of integers of Q(sqrt(-d)).

n	a(n)
1	3
2	4
3	7
4	8
5	11
6	19
7	20
8	24
9	40
10	43
11	51
12	52
13	67
14	88
15	115
16	120
17	123
18	148
19	163
20	168
21	228
22	232
23	235
24	267
25	280
26	312
27	372
28	408
29	427
30	520
31	708
32	760
33	840
34	1320
35	1848

[3, 4, 7, 8, 11, 19, 20, 24, 40, 43, 51, 52, 67, 88, 115, 120, 123, 148, 163, 168, 228, 232, 235, 267, 280, 312, 372, 408, 427, 520, 708, 760, 840, 1320, 1848]

cp's OEIS Frontend

A330221 Numbers d such that -d is a fundamental discriminant and all primes smaller than 2*sqrt(d)/Pi ramify or remain inert in the ring of integers of Q(sqrt(-d)).

Table of values

List of values