id:A072439 - OEIS Search Results

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Primes p(k) such that number of binary 1's in p(k) equals number of binary 1's in k.

+0
10

2, 5, 41, 67, 73, 83, 97, 113, 193, 197, 211, 269, 281, 283, 353, 389, 521, 523, 547, 563, 587, 593, 601, 647, 661, 691, 929, 937, 1061, 1063, 1097, 1109, 1117, 1123, 1289, 1319, 1361, 1381, 1489, 1549, 1559, 1567, 1571, 1579, 1597, 1801, 1873, 2069 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A000120(a(n))=A000120(A071600(n))=A014499(n).` `A090455(A049084(a(n)))=0; a(n)=A000040(A071600(n)).`
	EXAMPLE	`In binary representation 13 and A000040(13)=41 have three 1's: 13='1101' and 41='101001', therefore 41 is a term.`
	CROSSREFS	`Cf. A033548.` `Adjacent sequences: A072436 A072437 A072438 this_sequence A072440 A072441 A072442` `Sequence in context: A012801 A004096 A106885 this_sequence A002592 A054553 A009457`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 17 2002`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.

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