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

Terms

a(0) =0a(1) =1a(2) =3a(3) =9a(4) =22a(5) =52a(6) =117a(7) =260a(8) =565a(9) =1217a(10) =2593a(11) =5487a(12) =11538a(13) =24146a(14) =50316a(15) =104490a(16) =216337a(17) =446754a(18) =920506a(19) =1892904a(20) =3885719a(21) =7964162a(22) =16300646a(23) =33321640a(24) =68038796a(25) =138784403a(26) =282824924a(27) =575866839a(28) =1171612786a(29) =2381938742