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Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*8^j.
0

%I #7 May 25 2020 11:27:02

%S 1,12,8,144,192,64,1728,3456,2304,512,20736,55296,55296,24576,4096,

%T 248832,829440,1105920,737280,245760,32768,2985984,11943936,19906560,

%U 17694720,8847360,2359296,262144,35831808,167215104,334430208,371589120

%N Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*8^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) 8^k,{n,0,10},{k,0,n}]//Flatten (* _Harvey P. Dale_, May 25 2020 *)

%K nonn,tabl,easy

%O 0,2

%A _N. J. A. Sloane_.