id:A051423 - OEIS Search Results

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Sum of prime divisors of n is congruent to 2^n (mod n).

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15, 77, 99, 240, 354, 18870, 284481, 302174, 433197, 440973, 453086, 2446619, 5776855, 9961111, 17986255, 19091527, 28997648, 37443680, 40074848, 47602448, 67166528, 129389763, 141963648, 146259296, 152062688, 202038871, 203444576 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`E.g. 15 = 3*5, and 2^15 = 3+5 (mod 15)`
	CROSSREFS	`Sequence in context: A049391 A000477 A041430 this_sequence A128272 A081591 A044202` `Adjacent sequences: A051420 A051421 A051422 this_sequence A051424 A051425 A051426`
	KEYWORD	`nonn,easy,nice`
	AUTHOR	`Joe K. Crump (joecr(AT)carolina.rr.com)`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

AT&T Labs Research