Number of compositions of n into 9 ordered relatively prime parts.

Terms

a(0) =1a(1) =9a(2) =45a(3) =165a(4) =495a(5) =1287a(6) =3003a(7) =6435a(8) =12870a(9) =24309a(10) =43758a(11) =75573a(12) =125970a(13) =203445a(14) =319770a(15) =490149a(16) =735471a(17) =1081080a(18) =1562274a(19) =2218788a(20) =3108105a(21) =4289133a(22) =5852925a(23) =7882290a(24) =10518255a(25) =13871286a(26) =18156204a(27) =23511345a(28) =30260340a(29) =38564262