Denominators of partial sums of (p+q)/p*q, where p and q are primes.

Terms

a(0) =1a(1) =5a(2) =10a(3) =70a(4) =630a(5) =2520a(6) =2520a(7) =32760a(8) =32760a(9) =32760a(10) =32760a(11) =622440a(12) =622440a(13) =622440a(14) =1244880a(15) =6224400a(16) =6224400a(17) =6224400a(18) =1556100a(19) =17117100a(20) =530630100a(21) =530630100a(22) =176876700a(23) =176876700a(24) =176876700