Sum of exponents in prime-power factorization of multinomial coefficient M(5n; n,n,n,n,n).

Terms

a(0) =0a(1) =5a(2) =10a(3) =14a(4) =16a(5) =22a(6) =24a(7) =31a(8) =29a(9) =30a(10) =33a(11) =40a(12) =38a(13) =47a(14) =49a(15) =51a(16) =45a(17) =53a(18) =51a(19) =57a(20) =59a(21) =61a(22) =63a(23) =71a(24) =66a(25) =68a(26) =75a(27) =73a(28) =71a(29) =80