Search: id:A038216
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%I A038216
%S A038216 1,2,10,4,40,100,8,120,600,1000,16,320,2400,8000,10000,32,800,8000,
%T A038216 40000,100000,100000,64,1920,24000,160000,600000,1200000,1000000,
%U A038216 128,4480,67200,560000,2800000,8400000,14000000,10000000,256,10240
%N A038216 Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*10^j.
%D A038216 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 A038216 Sequence in context: A054790 A140393 A000170 this_sequence A145911 A027626 
               A096668
%Y A038216 Adjacent sequences: A038213 A038214 A038215 this_sequence A038217 A038218 
               A038219
%K A038216 nonn,tabl,easy
%O A038216 0,2
%A A038216 N. J. A. Sloane (njas(AT)research.att.com).

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