id:A072578 - OEIS Search Results

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In binary representation: n has the same number of 0's as the n-th prime has 1's.

+0
5

8, 16, 34, 44, 64, 65, 80, 106, 116, 128, 138, 140, 174, 178, 184, 193, 196, 209, 258, 259, 260, 263, 264, 266, 272, 280, 288, 290, 314, 316, 325, 326, 327, 328, 330, 338, 344, 385, 391, 402, 449, 514, 520, 521, 528, 544, 566, 570, 574, 578, 587, 590, 597 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A000120(A072581(n))=A023416(a(n))=A014499(n);` `a(n)=A049084(A072581(n)).`
	EXAMPLE	`In binary representation 80='1010000' has five 0's and A000040(80)=409='110011001' has five 1's: therefore 80 is a term.`
	CROSSREFS	`Cf. A072579, A071600, A072577.` `Sequence in context: A089882 A043111 A043891 this_sequence A058516 A054301 A057584` `Adjacent sequences: A072575 A072576 A072577 this_sequence A072579 A072580 A072581`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jun 23 2002`

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

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