Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*9^j.

Terms

a(0) =1a(1) =7a(2) =9a(3) =49a(4) =126a(5) =81a(6) =343a(7) =1323a(8) =1701a(9) =729a(10) =2401a(11) =12348a(12) =23814a(13) =20412a(14) =6561a(15) =16807a(16) =108045a(17) =277830a(18) =357210a(19) =229635a(20) =59049a(21) =117649a(22) =907578a(23) =2917215a(24) =5000940a(25) =4822335a(26) =2480058a(27) =531441a(28) =823543a(29) =7411887