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Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*4^j.
2

%I #8 Nov 21 2013 12:46:44

%S 1,2,4,4,16,16,8,48,96,64,16,128,384,512,256,32,320,1280,2560,2560,

%T 1024,64,768,3840,10240,15360,12288,4096,128,1792,10752,35840,71680,

%U 86016,57344,16384,256,4096,28672,114688,286720,458752,458752,262144

%N Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*4^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 Flatten[Table[Binomial[i,j]2^(i-j) 4^j,{i,0,10},{j,0,i}]] (* _Harvey P. Dale_, Nov 22 2011 *)

%K nonn,tabl,easy

%O 0,2

%A _N. J. A. Sloane_.