id:A114903 - OEIS Search Results

Search: id:A114903

Displaying 1-1 of 1 results found.

page 1

Number of compositions of {1,..,n} such that no two adjacent parts are of equal size (labeled Carlitz compositions), allowing parts to be of size 0.

+0
2

2, 4, 12, 76, 572, 5204, 59340, 782996, 11707324, 197988340, 3720933092, 76811352116, 1730660689580, 42251140165108, 1110607948991028, 31279537587370916, 939737174809843644, 29996522608581396788 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`E.g.f.: 2*B(x)/(2-B(x)) where B(x) is e.g.f. of A114902.`
	CROSSREFS	`Cf. A114900, A114902.` `Sequence in context: A085864 A060935 A141522 this_sequence A038054 A003180 A002080` `Adjacent sequences: A114900 A114901 A114902 this_sequence A114904 A114905 A114906`
	KEYWORD	`nonn`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Jan 05 2006`

page 1

Search completed in 0.002 seconds

Last modified December 9 18:46 EST 2009. Contains 170430 sequences.

AT&T Labs Research