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A038307 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*5^j. 0

%I

%S 1,10,5,100,100,25,1000,1500,750,125,10000,20000,15000,5000,625,

%T 100000,250000,250000,125000,31250,3125,1000000,3000000,3750000,

%U 2500000,937500,187500,15625,10000000,35000000,52500000,43750000

%N Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*5^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_.

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Last modified July 24 04:08 EDT 2019. Contains 325290 sequences. (Running on oeis4.)