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%I #5 Mar 30 2012 16:47:46
%S 1,3,10,9,60,100,27,270,900,1000,81,1080,5400,12000,10000,243,4050,
%T 27000,90000,150000,100000,729,14580,121500,540000,1350000,1800000,
%U 1000000,2187,51030,510300,2835000,9450000,18900000,21000000,10000000
%N Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*10^j.
%D B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
%e 1; 3,10; 9,60,100; 27,270,900,1000; 81,1080,5400,12000,10000; ...
%K nonn,tabl,easy
%O 0,2
%A _N. J. A. Sloane_.
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