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a(n)=J(2n+1)*C(2n,n), J(n)=A001045(n).
1

%I #3 Mar 30 2012 18:59:18

%S 1,6,66,860,11970,172116,2523444,37487736,562303170,8496977060,

%T 129153866556,1972531074696,30245473774516,465314970745800,

%U 7179145222818600,111037445957810160,1721080411744977090

%N a(n)=J(2n+1)*C(2n,n), J(n)=A001045(n).

%C Central coefficients of number triangle A124860.

%K easy,nonn

%O 0,2

%A _Paul Barry_, Nov 10 2006