Numbers k such that phi(k) = p^3, where p is product of digits of k.

Terms

a(0) =1a(1) =14611a(2) =141152a(3) =2831112a(4) =113216152a(5) =419521121a(6) =5342121213a(7) =7112216125a(8) =11191442171a(9) =11371542112a(10) =12192256111a(11) =12327134121a(12) =12432712113a(13) =13161313512a(14) =14132133215a(15) =113335111416a(16) =127131142512a(17) =133412214117a(18) =196112145112a(19) =311721152134a(20) =312118111536a(21) =312127213125a(22) =322631161151a(23) =411111553831a(24) =432122133312