%I A038303
%S A038303 1,10,1,100,20,1,1000,300,30,1,10000,4000,600,40,1,100000,50000,
%T A038303 10000,1000,50,1,1000000,600000,150000,20000,1500,60,1,10000000,
%U A038303 7000000,2100000,350000,35000,2100,70,1,100000000,80000000,28000000
%N A038303 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*1^j.
%C A038303 T(i,j) is the number of i-permutations of 11 objects a,b,c,d,e,f,g,h,
               i,j,k, with repetition allowed, containing j a's. - Zerinvary Lajos 
               (zerinvarylajos(AT)yahoo.com), Dec 21 2007
%D A038303 B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal 
               systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 
               109-121.
%e A038303 1
%e A038303 10, 1
%e A038303 100, 20, 1
%e A038303 1000, 300, 30, 1
%e A038303 10000, 4000, 600, 40, 1
%e A038303 100000, 50000, 10000, 1000, 50, 1
%e A038303 1000000, 600000, 150000, 20000, 1500, 60, 1
%e A038303 10000000, 7000000, 2100000, 350000, 35000, 2100, 70, 1
%e A038303 100000000, 80000000, 28000000, 5600000, 700000, 56000, 2800, 80, 1
%p A038303 for i from 0 to 8 do seq(binomial(i, j)*10^(i-j), j = 0 .. i) od; - Zerinvary 
               Lajos (zerinvarylajos(AT)yahoo.com), Dec 21 2007
%Y A038303 Sequence in context: A030526 A164881 A165293 this_sequence A075505 A130310 
               A051523
%Y A038303 Adjacent sequences: A038300 A038301 A038302 this_sequence A038304 A038305 
               A038306
%K A038303 nonn,tabl,easy
%O A038303 0,2
%A A038303 N. J. A. Sloane (njas(AT)research.att.com).