A121949 Number of isomeric aza-benzenoids with one nitrogen atom and n hexagons.

1, 2, 10, 43, 210, 1026, 5130, 25770, 130350, 661458

Offset: 1

Author

Parthasarathy Nambi, Sep 04 2006

Keywords

• nonn

Examples

			If n=5 then the number of isomeric aza-benzenoids with one nitrogen atom is 210. Here n is the number of hexagons.
		

References

• 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.