A triangular sequence designed with row sums near 3^n: t(n,m)=If[m == 0 || m == n, Floor[3^n/2^n], Floor[(3^n/2^n)*Binomial[n, m]] + 1].

A153289

A triangular sequence designed with row sums near 3^n: t(n,m)=If[m == 0 || m == n, Floor[3^n/2^n], Floor[(3^n/2^n)*Binomial[n, m]] + 1].

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =5a(5) =2a(6) =3a(7) =11a(8) =11a(9) =3a(10) =5a(11) =21a(12) =31a(13) =21a(14) =5a(15) =7a(16) =38a(17) =76a(18) =76a(19) =38a(20) =7a(21) =11a(22) =69a(23) =171a(24) =228a(25) =171a(26) =69a(27) =11a(28) =17a(29) =120

External references