%I #7 Aug 24 2019 17:30:18

%S 1,12,11,144,264,121,1728,4752,4356,1331,20736,76032,104544,63888,

%T 14641,248832,1140480,2090880,1916640,878460,161051,2985984,16422912,

%U 37635840,45999360,31624560,11595672,1771561,35831808,229920768

%N Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*11^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.

%t Table[Binomial[n,k]12^(n-k) 11^k,{n,0,10},{k,0,n}]//Flatten (* _Harvey P. Dale_, Aug 24 2019 *)

%K nonn,tabl,easy

%O 0,2

%A _N. J. A. Sloane_.