Sum of exponents of primes in multinomial coefficient M(4n; n+2,2n,n-2).

Terms

a(0) =3a(1) =7a(2) =9a(3) =11a(4) =11a(5) =15a(6) =15a(7) =19a(8) =18a(9) =19a(10) =21a(11) =24a(12) =22a(13) =25a(14) =26a(15) =28a(16) =26a(17) =29a(18) =29a(19) =34a(20) =33a(21) =34a(22) =36a(23) =38a(24) =35a(25) =38a(26) =38a(27) =39a(28) =38a(29) =41