Consider the power series (x+1)^(1/3)=1+x/3-x^2/9+5x^3/81+...; sequence gives denominators of coefficients.

A067623

Consider the power series (x+1)^(1/3)=1+x/3-x^2/9+5x^3/81+...; sequence gives denominators of coefficients.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =81a(4) =243a(5) =729a(6) =6561a(7) =19683a(8) =59049a(9) =1594323a(10) =4782969a(11) =14348907a(12) =129140163a(13) =387420489a(14) =1162261467a(15) =10460353203a(16) =31381059609a(17) =94143178827

External references