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A038216 Triangle whose (i,j)-th entry is binomial(i,j)*2^(i-j)*10^j. 0


%S 1,2,10,4,40,100,8,120,600,1000,16,320,2400,8000,10000,32,800,8000,

%T 40000,100000,100000,64,1920,24000,160000,600000,1200000,1000000,128,

%U 4480,67200,560000,2800000,8400000,14000000,10000000,256,10240

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

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Last modified August 5 08:27 EDT 2021. Contains 346464 sequences. (Running on oeis4.)