Smallest positive integer m such that m = pi(n*m) = A000720(n*m).

Terms

a(0) =1a(1) =9a(2) =24a(3) =66a(4) =168a(5) =437a(6) =1051a(7) =2614a(8) =6454a(9) =15927a(10) =40071a(11) =100346a(12) =251706a(13) =637197a(14) =1617172a(15) =4124436a(16) =10553399a(17) =27066969a(18) =69709679a(19) =179992838a(20) =465769802a(21) =1208198523a(22) =3140421715a(23) =8179002095a(24) =21338685402a(25) =55762149023a(26) =145935689357a(27) =382465573481