Sum of exponents in prime-power factorization of C(5n,n-5).

Terms

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