Numerator of an upper bound for the maximal element in phi^(-1)(n).

Terms

a(0) =2a(1) =6a(2) =6a(3) =15a(4) =10a(5) =21a(6) =14a(7) =30a(8) =18a(9) =33a(10) =22a(11) =455a(12) =26a(13) =42a(14) =30a(15) =255a(16) =34a(17) =133a(18) =38a(19) =165a(20) =42a(21) =69a(22) =46a(23) =455a(24) =50a(25) =78a(26) =54a(27) =435a(28) =58a(29) =2387