id:A085680 - OEIS Search Results

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Size of largest code of length n and constant weight 2 that can correct a single adjacent transposition.

+0
2

1, 1, 2, 3, 4, 6, 7, 9, 11, 13, 15, 17, 20, 23, 26, 29, 32, 36, 40, 44, 48, 52, 57, 62 (list; graph; listen)

	OFFSET	`2,3`
	LINKS	`N. J. A. Sloane, Challenge Problems: Independent Sets in Graphs`
	CROSSREFS	`Column 2 of A085684.` `Sequence in context: A062413 A064313 A011865 this_sequence A047872 A015851 A065156` `Adjacent sequences: A085677 A085678 A085679 this_sequence A085681 A085682 A085683`
	KEYWORD	`nonn`
	AUTHOR	`njas, Jul 16 2003`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.