id:A020700 - OEIS Search Results

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A020700

Sum of n plus its prime factors = sum of n+1 plus its prime factors.

+0
2

7, 14, 63, 80, 224, 285, 351, 363, 475, 860, 902, 1088, 1479, 2013, 2023, 3478, 3689, 3925, 5984, 6715, 8493, 9456, 13224, 15520, 17227, 18569, 19502, 20490, 21804, 24435, 24476, 27735 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=7, a(2)=8. For a(1) 7+7=14 and for a(2) 8+2+2+2=14.` `7 is in the sequence because 7+7=14=8+2+2+2.`
	CROSSREFS	`Cf. A020905.` `Sequence in context: A166637 A033650 A135536 this_sequence A110496 A117867 A143682` `Adjacent sequences: A020697 A020698 A020699 this_sequence A020701 A020702 A020703`
	KEYWORD	`easy,nonn`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net)`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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