G.f.: A(x) = ...o x/(1-x^4) o x/(1-x^3) o x/(1-x^2) o x/(1-x), composition of functions x/(1-x^n) for n = 1,2,3,...

A136751

G.f.: A(x) = ...o x/(1-x^4) o x/(1-x^3) o x/(1-x^2) o x/(1-x), composition of functions x/(1-x^n) for n = 1,2,3,...

Terms

    a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =36a(6) =104a(7) =310a(8) =943a(9) =2913a(10) =9112a(11) =28805a(12) =91893a(13) =295484a(14) =956671a(15) =3115805a(16) =10200445a(17) =33544983a(18) =110755143a(19) =366976365a(20) =1219814018a(21) =4066305982a(22) =13590864072a(23) =45534416250a(24) =152895704998a(25) =514446539489

External references