id:A107310 - OEIS Search Results

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Triangle read by rows, related to enumeration of polycyclic conjugated hydrocarbons (see Brunvoll reference for precise definition).

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1, 1, 1, 1, 2, 1, 5, 11, 7, 1, 25, 60, 46, 12, 1, 125, 325, 290, 106, 17, 1 (list; table; graph; listen)

	OFFSET	`0,5`
	REFERENCES	`J. Brunvoll, S. J. Cyvin and B. N. Cyvin, Isomer enumeration of polygonal systems..., J. Molec. Struct. (Theochem), 364 (1996), 1-13.`
	EXAMPLE	`Triangle begins:` `1` `1 1` `1 2 1` `5 11 7 1` `25 60 46 12 1`
	CROSSREFS	`Sequence in context: A035309 A049948 A110352 this_sequence A049950 A095216 A144237` `Adjacent sequences: A107307 A107308 A107309 this_sequence A107311 A107312 A107313`
	KEYWORD	`nonn,tabl`
	AUTHOR	`njas, Aug 18 2006`

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.