Row 2 of square array A136462: a(n) = C(3*2^(n-1), n) for n>=0.

A136466

Row 2 of square array A136462: a(n) = C(3*2^(n-1), n) for n>=0.

Terms

    a(0) =1a(1) =3a(2) =15a(3) =220a(4) =10626a(5) =1712304a(6) =927048304

External references