a(n) is the least number k such that A355032(k) = n, or -1 if no such k exists.

Terms

a(0) =1a(1) =36a(2) =72a(3) =288a(4) =960a(5) =720a(6) =1440a(7) =3456a(8) =2880a(9) =6912a(10) =5760a(11) =10080a(12) =11520a(13) =8640a(14) =24192a(15) =21600a(16) =47520a(17) =17280a(18) =28800a(19) =20160a(20) =62208a(21) =46080a(22) =82944a(23) =34560a(24) =50400a(25) =40320a(26) =57600a(27) =51840a(28) =110880a(29) =126720