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Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*10^j.
0

%I #5 Mar 30 2012 16:47:46

%S 1,6,10,36,120,100,216,1080,1800,1000,1296,8640,21600,24000,10000,

%T 7776,64800,216000,360000,300000,100000,46656,466560,1944000,4320000,

%U 5400000,3600000,1000000,279936,3265920,16329600,45360000,75600000

%N Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*10^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_.