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A038286 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*8^j. 1

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

%S 1,8,8,64,128,64,512,1536,1536,512,4096,16384,24576,16384,4096,32768,

%T 163840,327680,327680,163840,32768,262144,1572864,3932160,5242880,

%U 3932160,1572864,262144,2097152,14680064,44040192,73400320

%N Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*8^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_.

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)