id:A003104 - OEIS Search Results

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Hexagonal n-element polyominoes whose graph is a path.
(Formerly M1208)

+0
2

1, 1, 2, 4, 10, 24, 67 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Could this be the same as A121186?`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).` `E. M. Palmer, Variations of the cell growth problem, Lect. Notes Math. 303 (1972), 215-224.`
	CROSSREFS	`Sequence in context: A001997 A000084 A057734 this_sequence A151516 A121186 A028506` `Adjacent sequences: A003101 A003102 A003103 this_sequence A003105 A003106 A003107`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.