Gaussian binomial coefficient [2*n-1,n] for q=2, n>=0.

A218449

Gaussian binomial coefficient [2*n-1,n] for q=2, n>=0.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =155a(4) =11811a(5) =3309747a(6) =3548836819

External references