%I #3 Mar 30 2012 18:36:50

%S 0,2,6,32,222,1824,17016,176112,1993392,24438960,322294896,4548010032,

%T 68385367152,1091838106800,18454096189296,329306074785072,

%U 6189015238217712,122232512688657840,2531600753529542256

%N Column 1 of A111549, which is the matrix log of A111544.

%o (PARI) {a(n)=local(M=matrix(n+2,n+2,m,j,if(m==j,1,if(m==j+1,-m+1, -(m-j-1)*polcoeff(log(sum(i=0,m,(i+2)!/2!*x^i)),m-j-1))))); if(n<0,0,sum(i=1,#M,(M^0-M)^i/i)[n+2,2])}

%Y Cf. A111549, A111544.

%K nonn

%O 0,2

%A _Paul D. Hanna_, Aug 07 2005