A103366 - OEIS

A103366

Second column of triangle A103364, which equals the matrix inverse of the Narayana triangle (A001263).

%I #4 Mar 30 2012 18:36:45

%S 1,-3,12,-70,585,-6741,103068,-2023092,49615695,-1487006785,

%T 53477384268,-2272859942574,112699083156751,-6447858833644515,

%U 421601806346674320,-31242589674606301224,2604618355967848204587,-242686626407684239621113,25124942798118355122058980

%N Second column of triangle A103364, which equals the matrix inverse of the Narayana triangle (A001263).

%o (PARI) a(n)=if(n<2,0,(matrix(n,n,m,j,binomial(m-1,j-1)*binomial(m,j-1)/j)^-1)[n,2])

%Y Cf. A001263, A103364, A103366, A103367.

%K sign

%O 2,2

%A _Paul D. Hanna_, Feb 02 2005