id:A004273 - OEIS Search Results

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0 together with odd numbers.

+0
5

0, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Also continued fraction for tanh(1) (A073744 is decimal expansion). - Rick L. Shepherd (rshepherd2(AT)hotmail.com), Aug 07 2002`
	FORMULA	`a(n)=2n-[(n+2) mod (n+1)], with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Aug 29 2007` `G.f.: x(1+x)/(-1+x)^2. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Nov 18 2007`
	MAPLE	`a[0]:=0:a[1]:=1:for n from 2 to 100 do a[n]:=a[n-1]+2 od: seq(a[n], n=0..66); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 16 2008`
	CROSSREFS	`Sequence in context: A064679 A081874 A053229 this_sequence A005408 A060747 A089684` `Adjacent sequences: A004270 A004271 A004272 this_sequence A004274 A004275 A004276`
	KEYWORD	`easy,nonn`
	AUTHOR	`njas`

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

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