Numerator of Sum_{k=1..n} 1/phi(k).

Terms

a(0) =1a(1) =2a(2) =5a(3) =3a(4) =13a(5) =15a(6) =47a(7) =25a(8) =13a(9) =55a(10) =281a(11) =74a(12) =301a(13) =311a(14) =637a(15) =163a(16) =1319a(17) =453a(18) =4117a(19) =4207a(20) =4267a(21) =4339a(22) =48089a(23) =49079a(24) =9895a(25) =10027a(26) =10115a(27) =10247a(28) =72125a(29) =73511