id:A092246 - OEIS Search Results

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Odd "odious" numbers (cf. A000069).

+0
4

1, 7, 11, 13, 19, 21, 25, 31, 35, 37, 41, 47, 49, 55, 59, 61, 67, 69, 73, 79, 81, 87, 91, 93, 97, 103, 107, 109, 115, 117, 121, 127, 131, 133, 137, 143, 145, 151, 155, 157, 161, 167, 171, 173, 179, 181, 185, 191, 193, 199, 203, 205, 211, 213, 217, 223, 227, 229, 233 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`These numbers may be called primitive odious numbers because every odious number is a power of 2 times one of these numbers. Note that the difference between consecutive terms is either 2, 4, or 6. - T. D. Noe, Jun 06 2007`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	FORMULA	`a(n)=4n+2A010060(n-1)-3; a(n) = 2*A001969(n-1)+1.`
	CROSSREFS	`Cf. A129771 (evil odd numbers)` `Sequence in context: A060772 A064149 A046289 this_sequence A084468 A115558 A067466` `Adjacent sequences: A092243 A092244 A092245 this_sequence A092247 A092248 A092249`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 23 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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