id:A059076 - OEIS Search Results

Search: id:A059076

Displaying 1-1 of 1 results found.

page 1

Number of orientable necklaces with n beads and two colors; i.e. turning the necklace over does not leave it unchanged.

+0
2

0, 0, 0, 0, 0, 0, 1, 2, 6, 14, 30, 62, 128, 252, 495, 968, 1866, 3600, 6917, 13286, 25476, 48916, 93837, 180314, 346554, 666996, 1284570, 2477342, 4781502, 9240012, 17871708, 34604066, 67060746, 130085052, 252548760, 490722344 (list; graph; listen)

	OFFSET	`0,8`
	FORMULA	`a(n) = A000031(n) - A000029(n) = A000029(n) - A029744(n) = (A000031(n) - A029744(n))/2`
	CROSSREFS	`Cf. A059053.` `Sequence in context: A095121 A122958 A122959 this_sequence A002524 A055292 A035592` `Adjacent sequences: A059073 A059074 A059075 this_sequence A059077 A059078 A059079`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Dec 22 2000`

page 1

Search completed in 0.002 seconds

Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research