Triangular array read by rows: 3 dimensional analog of A227997.

Terms

a(0) =8a(1) =152a(2) =64a(3) =5056a(4) =2432a(5) =512a(6) =205720a(7) =104000a(8) =29184a(9) =4096a(10) =9305152a(11) =4828544a(12) =1525248a(13) =311296a(14) =32768a(15) =449404224a(16) =236984448a(17) =79898624a(18) =19226624a(19) =3112960a(20) =262144a(21) =22695553536a(22) =12099474432a(23) =4251479040a(24) =1123909632a(25) =221839360a(26) =29884416a(27) =2097152a(29) =636162156096a(30) =230017430016