Triangle of coefficients in expansion of (1+12x)^n.

Terms

a(0) =1a(1) =1a(2) =12a(3) =1a(4) =24a(5) =144a(6) =1a(7) =36a(8) =432a(9) =1728a(10) =1a(11) =48a(12) =864a(13) =6912a(14) =20736a(15) =1a(16) =60a(17) =1440a(18) =17280a(19) =103680a(20) =248832a(21) =1a(22) =72a(23) =2160a(24) =34560a(25) =311040a(26) =1492992a(27) =2985984a(28) =1a(29) =84