Sum of exponents of primes in C(5n,3n) - sum of exponents of primes in C(3n,2n).

Terms

a(0) =0a(1) =1a(2) =2a(3) =0a(4) =2a(5) =4a(6) =2a(7) =3a(8) =5a(9) =4a(10) =5a(11) =2a(12) =2a(13) =7a(14) =5a(15) =5a(16) =7a(17) =7a(18) =7a(19) =3a(20) =9a(21) =11a(22) =3a(23) =5a(24) =6a(25) =8a(26) =11a(27) =7a(28) =9a(29) =12