Total number of left-to-right maxima in all compositions of n.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =11a(5) =24a(6) =51a(7) =108a(8) =226a(9) =471a(10) =976a(11) =2015a(12) =4146a(13) =8508a(14) =17418a(15) =35590a(16) =72597a(17) =147868a(18) =300797a(19) =611202a(20) =1240690a(21) =2516268a(22) =5099242a(23) =10326282a(24) =20897848a(25) =42267257a(26) =85442478a(27) =172635651a(28) =348651294a(29) =703836046