id:A051448 - OEIS Search Results

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Sum of prime divisors of n (with multiplicity) is a square.

+0
2

4, 14, 20, 24, 27, 39, 46, 55, 66, 94, 98, 140, 152, 155, 158, 168, 171, 183, 186, 189, 200, 203, 225, 240, 255, 256, 270, 272, 288, 290, 291, 295, 299, 306, 323, 324, 334, 344, 348, 354, 363, 387, 446, 455, 506, 539, 546, 578, 579, 583, 615, 650, 656, 695 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(2)=14 because 14=2*7 and 2+7=3^2`
	CROSSREFS	`Sequence in context: A059007 A035401 A139330 this_sequence A075319 A030470 A165721` `Adjacent sequences: A051445 A051446 A051447 this_sequence A051449 A051450 A051451`
	KEYWORD	`easy,nonn`
	AUTHOR	`Joe K. Crump (joecr(AT)carolina.rr.com)`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Sep 08 2000`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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