Triangle of coefficients in expansion of (2+3x)^n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =12a(5) =9a(6) =8a(7) =36a(8) =54a(9) =27a(10) =16a(11) =96a(12) =216a(13) =216a(14) =81a(15) =32a(16) =240a(17) =720a(18) =1080a(19) =810a(20) =243a(21) =64a(22) =576a(23) =2160a(24) =4320a(25) =4860a(26) =2916a(27) =729a(28) =128a(29) =1344