Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*12^j.

Terms

a(0) =1a(1) =3a(2) =12a(3) =9a(4) =72a(5) =144a(6) =27a(7) =324a(8) =1296a(9) =1728a(10) =81a(11) =1296a(12) =7776a(13) =20736a(14) =20736a(15) =243a(16) =4860a(17) =38880a(18) =155520a(19) =311040a(20) =248832a(21) =729a(22) =17496a(23) =174960a(24) =933120a(25) =2799360a(26) =4478976a(27) =2985984a(28) =2187a(29) =61236