id:A078375 - OEIS Search Results

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Smallest prime factor of numbers which can be written as sum of a positive square and a positive cube.

+0
2

2, 5, 3, 2, 2, 17, 2, 2, 2, 31, 3, 2, 37, 43, 2, 2, 2, 3, 3, 5, 2, 2, 73, 2, 2, 2, 89, 7, 2, 101, 2, 113, 2, 2, 127, 2, 3, 2, 3, 5, 2, 2, 2, 7, 2, 2, 3, 2, 3, 5, 3, 2, 197, 2, 2, 2, 7, 2, 223, 3, 2, 2, 233, 241, 2, 2, 257, 2, 2, 5, 269, 2, 283, 17, 2, 2, 3, 2, 2, 3, 5, 2, 337, 2, 347, 2, 3, 2 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=A020639(A055394(n)).`
	CROSSREFS	`Cf. A078376.` `Sequence in context: A159897 A019709 A076840 this_sequence A065261 A130848 A156637` `Adjacent sequences: A078372 A078373 A078374 this_sequence A078376 A078377 A078378`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 25 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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