Number of compositions of n with exactly 8 transitions between different parts.

Terms

a(0) =1a(1) =10a(2) =77a(3) =415a(4) =1825a(5) =6692a(6) =21587a(7) =62225a(8) =164197a(9) =401173a(10) =919007a(11) =1989942a(12) =4102426a(13) =8100013a(14) =15388485a(15) =28249241a(16) =50273708a(17) =87007800a(18) =146783168a(19) =241958083a(20) =390411308a(21) =617752456a(22) =959909294a(23) =1466853260a(24) =2206861654a(25) =3272535062a(26) =4787597429a(27) =6916184121a(28) =9873403733