Inverse binomial transform of A030186.

Terms

a(0) =1a(1) =1a(2) =4a(3) =6a(4) =18a(5) =32a(6) =84a(7) =164a(8) =400a(9) =824a(10) =1928a(11) =4096a(12) =9360a(13) =20240a(14) =45632a(15) =99680a(16) =223008a(17) =489984a(18) =1091392a(19) =2405952a(20) =5345536a(21) =11806592a(22) =26194048a(23) =57917440a(24) =128389376a(25) =284057856a(26) =629392384a(27) =1393010176a(28) =3085685248a(29) =6830825472