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Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*11^j.
0

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

%S 1,4,11,16,88,121,64,528,1452,1331,256,2816,11616,21296,14641,1024,

%T 14080,77440,212960,292820,161051,4096,67584,464640,1703680,3513840,

%U 3865224,1771561,16384,315392,2601984,11925760,32795840,54113136

%N Triangle whose (i,j)-th entry is binomial(i,j)*4^(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_.