Largest number k such that phi(k) = A007374(n).

Terms

a(0) =2a(1) =6a(2) =12a(3) =30a(4) =42a(5) =120a(6) =126a(7) =150a(8) =90a(9) =210a(10) =660a(11) =1242a(12) =7938a(13) =2760a(14) =1014a(15) =270a(16) =1470a(17) =810a(18) =3318a(19) =630a(20) =2370a(21) =4830a(22) =7590a(23) =1386a(24) =11220a(25) =1680a(26) =1260a(27) =5082a(28) =13890a(29) =1050