Sum of exponents in prime-power factorization of multinomial coefficient M(6n,2n,2n,2n).

Terms

a(0) =0a(1) =4a(2) =7a(3) =11a(4) =12a(5) =14a(6) =18a(7) =22a(8) =19a(9) =22a(10) =25a(11) =30a(12) =30a(13) =32a(14) =31a(15) =34a(16) =33a(17) =36a(18) =34a(19) =40a(20) =39a(21) =43a(22) =49a(23) =50a(24) =49a(25) =49a(26) =51a(27) =54a(28) =51a(29) =54