Partial binomial sums of binomial(3n,n)/(2n+1) = A001764(n).

A188687

Partial binomial sums of binomial(3n,n)/(2n+1) = A001764(n).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =25a(4) =126a(5) =704a(6) =4183a(7) =25897a(8) =165166a(9) =1077520a(10) =7156352a(11) =48222354a(12) =328859011a(13) =2265428728a(14) =15740837575a(15) =110187356134a(16) =776336572878

External references