%I A038252
%S A038252 1,5,10,25,100,100,125,750,1500,1000,625,5000,15000,20000,10000,
%T A038252 3125,31250,125000,250000,250000,100000,15625,187500,937500,2500000,
%U A038252 3750000,3000000,1000000,78125,1093750,6562500,21875000,43750000
%N A038252 Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*10^j.
%D A038252 B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal 
               systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 
               109-121.
%Y A038252 Sequence in context: A025625 A112024 A106729 this_sequence A083010 A166388 
               A066872
%Y A038252 Adjacent sequences: A038249 A038250 A038251 this_sequence A038253 A038254 
               A038255
%K A038252 nonn,tabl,easy
%O A038252 0,2
%A A038252 N. J. A. Sloane (njas(AT)research.att.com).