%I #5 Mar 30 2012 16:47:46
%S 1,10,11,100,220,121,1000,3300,3630,1331,10000,44000,72600,53240,
%T 14641,100000,550000,1210000,1331000,732050,161051,1000000,6600000,
%U 18150000,26620000,21961500,9663060,1771561,10000000,77000000,254100000
%N Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*11^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_.