id:A124203 - OEIS Search Results

Search: id:A124203

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a(n) = 2n + "reverse of n-written-in-binary" + 2.

+0
1

2, 5, 7, 11, 11, 17, 17, 23, 19, 29, 27, 37, 29, 39, 37, 47, 35, 53, 47, 65, 47, 65, 59, 77, 53, 71, 65, 83, 65, 83, 77, 95, 67, 101, 87, 121, 83, 117, 103, 137, 87, 121, 107, 141, 103, 137, 123, 157, 101, 135, 121, 155, 117, 151, 137, 171, 121, 155, 141, 175, 137 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(0) = 0 + 0 + 2` `a(1) = 2 + 1 + 2` `a(2) = 4 + 1 + 2` `a(3) = 6 + 3 + 2` `a(4) = 8 + 1 + 2`
	PROGRAM	`# ruby a=[]; 200.times{\|i\| a << i2 + (i2).to_s(2).reverse.to_i(2) + 2 }; p a`
	CROSSREFS	`Adjacent sequences: A124200 A124201 A124202 this_sequence A124204 A124205 A124206` `Sequence in context: A024374 A065219 A013660 this_sequence A077665 A025062 A030498`
	KEYWORD	`nonn,base`
	AUTHOR	`Simon Strandgaard (neoneye(AT)gmail.com), Dec 07 2006`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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