id:A073273 - OEIS Search Results

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Floor(SquareRoot(prime(n)*prime(n+2))).

+0
4

3, 4, 7, 9, 13, 15, 19, 23, 26, 32, 35, 39, 43, 47, 52, 56, 62, 65, 69, 74, 77, 83, 89, 94, 99, 103, 105, 109, 117, 121, 131, 134, 142, 144, 152, 156, 161, 167, 172, 176, 184, 186, 193, 195, 203, 210, 218, 225, 229, 233, 236, 244, 248, 256, 262, 266, 272, 275 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A000040(n) < a(n) < A000040(n+2);`
	EXAMPLE	`A000040(10)A000040(12) = 2937 = 1073 = 32*32+49, therefore a(10)=32; A073274(10) = A000040(11)-a(10) = 31-32 = -1.`
	CROSSREFS	`Cf. A000040, A073271, A073274.` `Adjacent sequences: A073270 A073271 A073272 this_sequence A073274 A073275 A073276` `Sequence in context: A140402 A005539 A053099 this_sequence A072441 A004652 A061568`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 22 2002`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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