Sum of exponents in prime-power factorization of binomial(5n, 2n-2).

Terms

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