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Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*8^j.
0

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

%S 1,7,8,49,112,64,343,1176,1344,512,2401,10976,18816,14336,4096,16807,

%T 96040,219520,250880,143360,32768,117649,806736,2304960,3512320,

%U 3010560,1376256,262144,823543,6588344,22588608,43025920,49172480

%N Triangle whose (i,j)-th entry is binomial(i,j)*7^(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.

%K nonn,tabl,easy

%O 0,2

%A _N. J. A. Sloane_.