Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r^2*k^2+4k, k odd.
A051992
Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r^2*k^2+4k, k odd.
Terms
- a(0) =85a(1) =165a(2) =205a(3) =221a(4) =285a(5) =357a(6) =365a(7) =429a(8) =533a(9) =629a(10) =645a(11) =741a(12) =957a(13) =965a(14) =1085a(15) =1205a(16) =1245a(17) =1365a(18) =1469a(19) =1517a(20) =1533a(21) =1685a(22) =1853a(23) =1965a(24) =2013a(25) =2037a(26) =2045a(27) =2085a(28) =2373a(29) =2397
External references
- oeis: A051992