%I A038296
%S A038296 1,9,6,81,108,36,729,1458,972,216,6561,17496,17496,7776,1296,59049,
%T A038296 196830,262440,174960,58320,7776,531441,2125764,3542940,3149280,
%U A038296 1574640,419904,46656,4782969,22320522,44641044,49601160,33067440
%N A038296 Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*6^j.
%D A038296 B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal 
               systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 
               109-121.
%Y A038296 Sequence in context: A088999 A073782 A156033 this_sequence A058276 A085678 
               A086819
%Y A038296 Adjacent sequences: A038293 A038294 A038295 this_sequence A038297 A038298 
               A038299
%K A038296 nonn,tabl,easy
%O A038296 0,2
%A A038296 N. J. A. Sloane (njas(AT)research.att.com).