Number of compositions of n having exactly eight fixed points.

Terms

a(0) =1a(1) =1a(2) =3a(3) =7a(4) =16a(5) =35a(6) =76a(7) =162a(8) =342a(9) =706a(10) =1474a(11) =3030a(12) =6207a(13) =12660a(14) =25739a(15) =52174a(16) =105516a(17) =212972a(18) =429169a(19) =863721a(20) =1736237a(21) =3487091a(22) =6998235a(23) =14036039a(24) =28137051a(25) =56380699a(26) =112936022a(27) =226157834a(28) =452782897a(29) =906328973