id:A072579 - OEIS Search Results

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

+0
5

1, 7, 13, 26, 37, 41, 42, 45, 49, 50, 58, 59, 62, 69, 70, 74, 78, 79, 87, 103, 105, 107, 110, 114, 118, 121, 134, 139, 141, 142, 145, 147, 158, 161, 162, 164, 165, 168, 175, 185, 189, 198, 202, 203, 213, 214, 223, 227, 232, 234, 243, 267, 275, 282, 289, 292 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A023416(A072582(n))=A000120(a(n))=A035103(n);` `a(n)=A049084(A072582(n)).`
	EXAMPLE	`In binary representation 70='1000110' has three 1's and A000040(70)=349='101011101' has three 1's: therefore 70 is a term.`
	CROSSREFS	`Cf. A072578, A071600, A072577.` `Sequence in context: A031887 A111721 A060455 this_sequence A067870 A147258 A146718` `Adjacent sequences: A072576 A072577 A072578 this_sequence A072580 A072581 A072582`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 23 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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