Numbers n such that there exists a pair x,y, where x<y, x! = n and y! = n, that makes {x,y,n,n} an amicable multiset.

A273969

Numbers n such that there exists a pair x,y, where x<y, x! = n and y! = n, that makes {x,y,n,n} an amicable multiset.

Terms

    a(0) =702240a(1) =817740a(2) =1156680a(3) =1159200a(4) =1811040a(5) =2450448a(6) =2570400a(7) =2784600a(8) =3534300a(9) =3912480a(10) =4228560a(11) =4546080a(12) =4702320a(13) =5682600a(14) =6902280a(15) =7280280a(16) =7469280a(17) =7706160a(18) =8225280a(19) =8316000a(20) =8465184a(21) =8522640a(22) =8639400a(23) =9025380a(24) =9256800a(25) =9282000a(26) =9492120a(27) =9828000

External references