A128481 Structure counts for certain radical benzenoidal structures (see Cash and Dias paper for precise definition).
2, 20, 306, 7376, 273956, 15345156, 1274990124, 155024945978, 27422185371264, 6981850496603886, 2547185424690611836
Offset: 0
Links
- Gordon G. Cash and Jerry Ray Dias, Computation, Properties and Resonance Topology of Benzenoid Monoradicals and Polyradicals and the Eigenvectors Belonging to Their Zero Eigenvalues, J. Math. Chem., 30 (2001), 429-444.