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Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*6^j.
0

%I #7 Sep 11 2013 11:52:07

%S 1,4,6,16,48,36,64,288,432,216,256,1536,3456,3456,1296,1024,7680,

%T 23040,34560,25920,7776,4096,36864,138240,276480,311040,186624,46656,

%U 16384,172032,774144,1935360,2903040,2612736,1306368,279936

%N Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*6^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]4^(i-j) 6^j,{i,0,10},{j,0,i}]] (* _Harvey P. Dale_, Sep 11 2013 *)

%K nonn,tabl,easy

%O 0,2

%A _N. J. A. Sloane_.