Numbers n such that there exists an x!=n that makes {n,n,n,x} an amicable multiset.

Terms

a(0) =796320a(1) =1205820a(2) =1277640a(3) =1963080a(4) =5154240a(5) =8599500a(6) =8694000a(7) =9022860a(8) =10820880a(9) =12149280a(10) =15845760a(11) =17173800a(12) =18023040a(13) =19323360a(14) =21360240a(15) =22720320a(16) =25494480a(17) =27052200a(18) =27335880a(19) =28365480a(20) =28574280a(21) =28704060a(22) =29211000a(23) =30329640a(24) =30373200a(25) =30450420a(26) =31433220