Number of compositions of n with exactly 6 transitions between different parts.

Terms

a(0) =1a(1) =8a(2) =52a(3) =225a(4) =813a(5) =2444a(6) =6563a(7) =15837a(8) =35304a(9) =73544a(10) =144542a(11) =270622a(12) =485229a(13) =838813a(14) =1401911a(15) =2277346a(16) =3601229a(17) =5565741a(18) =8415746a(19) =12487185a(20) =18197114a(21) =26097804a(22) =36868409a(23) =51383060a(24) =70693900a(25) =96130946a(26) =129286606a(27) =172104111a(28) =226920654a(29) =296516361