a(n) = A030067(2^n + 2^(n-1) - 1) for n>=1, where A030067 gives the semi-Fibonacci numbers.

A129094

a(n) = A030067(2^n + 2^(n-1) - 1) for n>=1, where A030067 gives the semi-Fibonacci numbers.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =35a(4) =189a(5) =1523a(6) =19409a(7) =407067a(8) =14448821a(9) =886912635a(10) =95777365753

External references