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

Terms

a(0) =1a(1) =3a(2) =9a(3) =13a(4) =31a(5) =43a(6) =143a(7) =167a(8) =185a(9) =215a(10) =1141a(11) =1321a(12) =231a(13) =763a(14) =3277a(15) =3517a(16) =7289a(17) =8009a(18) =24787a(19) =26587a(20) =27847a(21) =29431a(22) =332021a(23) =355781a(24) =365681a(25) =382841a(26) =394721a(27) =413201a(28) =2949827a(29) =3157727