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a(n) = A107672(n)/(n+1)^3.
2

%I #3 Mar 30 2012 18:36:46

%S 1,1,19,1279,190769,50664371,21139541089,12783260017161,

%T 10590309839157381,11531675416606553251,15987041289872773372042,

%U 27515661456632011548886402,57600689265868641385517070539

%N a(n) = A107672(n)/(n+1)^3.

%o (PARI) {a(n)=local(P=matrix(n+1,n+1,r,c,if(r>=c,(r^3)^(r-c)/(r-c)!)), D=matrix(n+1,n+1,r,c,if(r==c,r)));(P^-1*D*P)[n+1,1]/(n+1)^3}

%Y Cf. A107671, A107672, A107676.

%K nonn

%O 0,3

%A _Paul D. Hanna_, Jun 07 2005