id:A056469 - OEIS Search Results

Search: id:A056469

Displaying 1-1 of 1 results found.

page 1

Number of elements in the continued fraction for sum(k=0,n,1/2^2^k).

+0
4

2, 3, 4, 6, 10, 18, 34, 66, 130, 258, 514, 1026, 2050, 4098, 8194, 16386, 32770, 65538, 131074, 262146, 524290, 1048578, 2097154, 4194306, 8388610, 16777218, 33554434, 67108866, 134217730, 268435458, 536870914, 1073741826, 2147483650 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`a(0)=2, n>0 a(n)=2^(n-1)+2=A052548(n-1)+2`
	PROGRAM	`(Other) sage: [floor(gaussian_binomial(n, 1, 2)+3) for n in xrange(-1, 32)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 31 2009]`
	CROSSREFS	`Cf. A007400. Apart from initial term, same as A052548. See also A089985.` `Sequence in context: A060163 A106511 A024490 this_sequence A004047 A093912 A134696` `Adjacent sequences: A056466 A056467 A056468 this_sequence A056470 A056471 A056472`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Dec 07 2002`

page 1

Search completed in 0.002 seconds

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research