%I #5 Mar 04 2018 21:19:29
%S 1,5,41,439,5741,88889,1594405,32574371,747753161,19071735493,
%T 535461077009,16419373641455,546208347402901,19598084579455217,
%U 754617425461612781,31043368421052631579,1359040255729886061905
%N A subdiagonal of number array A083064.
%F a(n) = ((n+3)*(n+5)^n + 1)/(n+4).
%Y Cf. A083072, A083071, A083069.
%K easy,nonn
%O 0,2
%A _Paul Barry_, Apr 21 2003