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%I #5 Mar 30 2012 16:47:46
%S 1,7,12,49,168,144,343,1764,3024,1728,2401,16464,42336,48384,20736,
%T 16807,144060,493920,846720,725760,248832,117649,1210104,5186160,
%U 11854080,15240960,10450944,2985984,823543,9882516,50824368,145212480
%N Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*12^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.
%K nonn,tabl,easy
%O 0,2
%A _N. J. A. Sloane_.
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