Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*6^j.

Terms

a(0) =1a(1) =3a(2) =6a(3) =9a(4) =36a(5) =36a(6) =27a(7) =162a(8) =324a(9) =216a(10) =81a(11) =648a(12) =1944a(13) =2592a(14) =1296a(15) =243a(16) =2430a(17) =9720a(18) =19440a(19) =19440a(20) =7776a(21) =729a(22) =8748a(23) =43740a(24) =116640a(25) =174960a(26) =139968a(27) =46656a(28) =2187a(29) =30618