Sum of exponents of primes in multinomial coefficient M(3n; n+2,n-1,n-1).

Terms

a(0) =0a(1) =3a(2) =6a(3) =8a(4) =8a(5) =11a(6) =11a(7) =14a(8) =14a(9) =14a(10) =17a(11) =21a(12) =18a(13) =20a(14) =22a(15) =23a(16) =21a(17) =24a(18) =24a(19) =27a(20) =26a(21) =29a(22) =29a(23) =34a(24) =29a(25) =30a(26) =35a(27) =33a(28) =32a(29) =34