Number of ways to write n as an ordered sum of nine powers of 2.

Terms

a(0) =1a(1) =9a(2) =36a(3) =93a(4) =198a(5) =378a(6) =624a(7) =927a(8) =1341a(9) =1849a(10) =2412a(11) =3159a(12) =4074a(13) =4950a(14) =5904a(15) =7032a(16) =8010a(17) =9018a(18) =10488a(19) =11970a(20) =13356a(21) =15108a(22) =16848a(23) =18315a(24) =20085a(25) =22257a(26) =24444a(27) =26671a(28) =28674a(29) =30510