%I #6 Jun 29 2020 10:48:47
%S 1,7,45,310,2359,19901,185408,1896380,21163076,256176052,3345574440,
%T 46910470152,703146058224,11222813318544,190069993713024,
%U 3404916420352128,64333503601542144,1278725806081645056
%N Column m=2 sequence of triangle A103718(n,m), n >= 0 (without leading zeros).
%F a(n) = |S1(n+3, 3)| + |S1(n+3, 4)| = |S1(n+4, 4)| - (n+2)*|S1(n+3, 4)|, with S1(n, m):= A048994(n, m), n >= m >= 0 (Stirling1 triangle).
%Y Cf. A048994, A103718.
%K nonn,easy
%O 0,2
%A _Wolfdieter Lang_, Feb 24 2005