Nicomachus triangle read by rows, T(n, k) = 2^(n - k)*3^k, for 0 <= k <= n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =9a(6) =8a(7) =12a(8) =18a(9) =27a(10) =16a(11) =24a(12) =36a(13) =54a(14) =81a(15) =32a(16) =48a(17) =72a(18) =108a(19) =162a(20) =243a(21) =64a(22) =96a(23) =144a(24) =216a(25) =324a(26) =486a(27) =729a(28) =128a(29) =192