id:A086096 - OEIS Search Results

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Semiprimes with a semiprime number of 1's in their binary representation.

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15, 39, 46, 51, 57, 58, 77, 85, 86, 95, 106, 111, 119, 123, 141, 142, 159, 166, 169, 177, 178, 183, 187, 201, 202, 209, 215, 219, 221, 226, 235, 237, 249, 267, 278, 287, 291, 298, 303, 305, 323, 326, 329, 335, 365, 371, 377, 393, 394, 407, 411, 413, 417, 427 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`The sixth semiprime = 15 = '1111' with four 1's, so 15 is a term.`
	CROSSREFS	`Cf. A001358, A000120, A086097.` `Sequence in context: A051461 A039605 A032654 this_sequence A055131 A121051 A139042` `Adjacent sequences: A086093 A086094 A086095 this_sequence A086097 A086098 A086099`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 09 2003`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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