id:A084471 - OEIS Search Results

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Change 0 to 00 in binary representation of n.

+0
6

1, 4, 3, 16, 9, 12, 7, 64, 33, 36, 19, 48, 25, 28, 15, 256, 129, 132, 67, 144, 73, 76, 39, 192, 97, 100, 51, 112, 57, 60, 31, 1024, 513, 516, 259, 528, 265, 268, 135, 576, 289, 292, 147, 304, 153, 156, 79, 768, 385, 388, 195, 400, 201, 204, 103, 448, 225 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = n iff n = 2^k - 1, k>0.` `A023416(a(n))=A023416(n)*2; A000120(a(n))=A000120(n);`
	FORMULA	`a(1)=1, a(2k+1)=2a(k)+1, a(2k)=4a(k).`
	CROSSREFS	`Cf. A084472(n)=A007088(a(n)), A084473, A038573.` `Ordered terms are in A060142.` `Adjacent sequences: A084468 A084469 A084470 this_sequence A084472 A084473 A084474` `Sequence in context: A077215 A065679 A062776 this_sequence A127675 A058557 A038233`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 27 2003`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

AT&T Labs Research