Triangle read by rows: T(n,k) = 2^k * 3^n, 0 <= k <= n.

Terms

a(0) =1a(1) =3a(2) =6a(3) =9a(4) =18a(5) =36a(6) =27a(7) =54a(8) =108a(9) =216a(10) =81a(11) =162a(12) =324a(13) =648a(14) =1296a(15) =243a(16) =486a(17) =972a(18) =1944a(19) =3888a(20) =7776a(21) =729a(22) =1458a(23) =2916a(24) =5832a(25) =11664a(26) =23328a(27) =46656a(28) =2187a(29) =4374