A089312 - OEIS

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A089312

Write n in binary; a(n) = number represented by right-most block of 1's.

0, 1, 1, 3, 1, 1, 3, 7, 1, 1, 1, 3, 3, 1, 7, 15, 1, 1, 1, 3, 1, 1, 3, 7, 3, 1, 1, 3, 7, 1, 15, 31, 1, 1, 1, 3, 1, 1, 3, 7, 1, 1, 1, 3, 3, 1, 7, 15, 3, 1, 1, 3, 1, 1, 3, 7, 7, 1, 1, 3, 15, 1, 31, 63, 1, 1, 1, 3, 1, 1, 3, 7, 1, 1, 1, 3, 3, 1, 7, 15, 1, 1, 1, 3, 1, 1, 3, 7, 3, 1, 1, 3, 7, 1, 15, 31, 3, 1, 1, 3, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	EXAMPLE	`13 = 1101 so a(13) = 1.`
	CROSSREFS	`Cf. A089309-A089313.` `a(2n+1) = A038712(n+1).` `Sequence in context: A156710 A114588 A121745 * A125127 A058735 A107294` `Adjacent sequences: A089309 A089310 A089311 * A089313 A089314 A089315`
	KEYWORD	`nonn,base`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 22 2003`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 20 2004`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.