Class numbers of fields in A085715.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =11a(5) =5a(6) =11a(7) =16a(8) =55a(9) =305a(10) =80a(11) =256a(12) =1451a(13) =421a(14) =541a(15) =655a(16) =1375a(17) =4705a(18) =2000a(19) =7255a(20) =9680a(21) =9455a(22) =9455a(23) =37631a(24) =19301a(25) =203305a(26) =83275a(27) =32605a(28) =108691a(29) =44605