id:A081312 - OEIS Search Results

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Numbers having a unique representation as sum of a prime and an 3-smooth number.

+0
3

3, 24, 28, 42, 48, 52, 54, 58, 60, 66, 72, 90, 102, 108, 114, 132, 138, 150, 168, 172, 174, 180, 192, 196, 198, 214, 228, 234, 240, 246, 252, 264, 268, 270, 282, 294, 298, 312, 318, 348, 354, 360, 384, 390, 402, 404, 420, 432, 444, 450, 462, 468, 478, 480, 492 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A081308(a(n))=1.`
	CROSSREFS	`Cf. A000040, A003586, A081313, A081311.` `Sequence in context: A084702 A065430 A035409 this_sequence A123598 A106217 A160665` `Adjacent sequences: A081309 A081310 A081311 this_sequence A081313 A081314 A081315`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 17 2003`

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

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