INVERT transform of the cubes A000578.

Terms

a(0) =1a(1) =9a(2) =44a(3) =207a(4) =991a(5) =4752a(6) =22769a(7) =109089a(8) =522676a(9) =2504295a(10) =11998799a(11) =57489696a(12) =275449681a(13) =1319758713a(14) =6323343884a(15) =30296960703a(16) =145161459631a(17) =695510337456