Sum of exponents in prime-power factorization of binomial(5n, n+4).

Terms

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