Number of compositions of n whose run-lengths are either strictly increasing or strictly decreasing.

A333191

Number of compositions of n whose run-lengths are either strictly increasing or strictly decreasing.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =2a(4) =5a(5) =8a(6) =10a(7) =18a(8) =24a(9) =29a(10) =44a(11) =60a(12) =68a(13) =100a(14) =130a(15) =148a(16) =201a(17) =256a(18) =310a(19) =396a(20) =478a(21) =582a(22) =736a(23) =898a(24) =1068a(25) =1301a(26) =1594a(27) =1902a(28) =2288a(29) =2750

External references