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

%S 1,5,11,25,110,121,125,825,1815,1331,625,5500,18150,26620,14641,3125,

%T 34375,151250,332750,366025,161051,15625,206250,1134375,3327500,

%U 5490375,4831530,1771561,78125,1203125,7940625,29115625,64054375

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