Numbers that are divisible by the sum of their exponentially odd divisors.

Terms

a(0) =1a(1) =12a(2) =36a(3) =528a(4) =1584a(5) =5808a(6) =17424a(7) =90816a(8) =272448a(9) =998976a(10) =2996928a(11) =3905088a(12) =11715264a(13) =20355840a(14) =42955968a(15) =61067520a(16) =101779200a(17) =128867904a(18) =305337600a(19) =386760960a(20) =631031040a(21) =1160282880a(22) =1893093120a(23) =1933804800a(24) =3155155200a(25) =5801414400a(26) =9465465600a(27) =11989589760a(28) =18621653760a(29) =55612154880