A330191 - cp's OEIS frontend

A330191 For -d == 0, 1 (mod 4), let E(-d) to be the exponent of the class group of binary quadratic forms with discriminant -d, b(-d) to be the smallest prime p such that Kronecker(-d,p) = 1, then sequence gives d such that E(-d) > 2 and b(-d) > sqrt(d/4).

n	a(n)
1	76
2	108
3	172
4	252
5	268
6	387
7	400
8	540
9	588
10	592
11	603
12	652
13	988
14	1068
15	1072
16	1332
17	1467
18	2088
19	2608
20	2832
21	2907
22	3712
23	4075
24	5868

[76, 108, 172, 252, 268, 387, 400, 540, 588, 592, 603, 652, 988, 1068, 1072, 1332, 1467, 2088, 2608, 2832, 2907, 3712, 4075, 5868]