%I

%S 1,1,3,15,165,1155,49665,844305,48125385,1491886935,1018958776605,

%T 13246464095865,36176093445807315,4594363867617529005,

%U 1520734440181402100655,390828751126620339868335

%N a(n) is the LCM of the Jacobsthal sequence {J(1),...,J(n)}.

%F a(n) = lcm_{k=1..n} J(k).

%Y Cf. A001045.

%K easy,nonn

%O 1,3

%A _Paul Barry_, Apr 15 2005