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A121973 Number of isomeric aza-benzenoids with six nitrogen atoms. 0


%S 1,10,187,2802,35384,388936,3862098,35475697,306558871,2521963738

%N Number of isomeric aza-benzenoids with six nitrogen atoms.

%D N. Trinajstich, Z. Jericevic, J. V. Knop, W. R. Muller and K. Szymanski, "Computer generation of isomeric structures", Pure and Appl. Chem., vol. 55 (1983) pp. 379-390.

%e If n=5 then the number of isomeric aza-benzenoids with six nitrogen atoms is 35384. Here n is the number of hexagons.

%K nonn

%O 1,2

%A _Parthasarathy Nambi_, Sep 05 2006

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Last modified December 10 15:09 EST 2019. Contains 329896 sequences. (Running on oeis4.)