%I #4 Mar 30 2012 17:25:49
%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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