Number of compositions of n having exactly nine fixed points.

Terms

a(0) =1a(1) =1a(2) =3a(3) =7a(4) =16a(5) =35a(6) =76a(7) =162a(8) =342a(9) =715a(10) =1474a(11) =3049a(12) =6245a(13) =12746a(14) =25922a(15) =52571a(16) =106353a(17) =214731a(18) =432827a(19) =871240a(20) =1751725a(21) =3518787a(22) =7062725a(23) =14167004a(24) =28402284a(25) =56916681a(26) =114017164a(27) =228335406a(28) =457163368a(29) =915131854