a(n) is the number of compositions of n where the first part is the largest part and the last part is not 1. Row sums of A368579.
A368279
a(n) is the number of compositions of n where the first part is the largest part and the last part is not 1. Row sums of A368579.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =2a(5) =3a(6) =6a(7) =10a(8) =19a(9) =34a(10) =63a(11) =116a(12) =216a(13) =402a(14) =754a(15) =1417a(16) =2674a(17) =5061a(18) =9608a(19) =18286a(20) =34888a(21) =66706a(22) =127798a(23) =245284a(24) =471561a(25) =907964a(26) =1750695a(27) =3379992a(28) =6533458a(29) =12643162
External references
- oeis: A368279