id:A085728 - OEIS Search Results

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There are never n semiprimes between any k and 2k; or values which do not occur in the sequence of number of semiprimes between n and 2n (inclusive).

+0
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10, 19, 32, 45, 70, 81, 99, 125, 134, 154, 157, 183, 185, 189, 193, 236, 238, 245, 260, 269, 282, 300, 303, 313, 333, 341, 352, 354, 359, 371, 381, 384, 394, 397, 417, 453, 464, 527, 532, 562, 564, 595, 601, 606, 615, 620, 633, 641, 654, 670, 690, 699, 708 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A001358, A085727.` `Sequence in context: A088410 A126624 A109334 this_sequence A127194 A083705 A082659` `Adjacent sequences: A085725 A085726 A085727 this_sequence A085729 A085730 A085731`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 20 2003`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 22 2003`

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

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