id:A072057 - OEIS Search Results

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A072057

Sum of divisors of 2*prime(n)+1.

+0
3

6, 8, 12, 24, 24, 40, 48, 56, 48, 60, 104, 124, 84, 120, 120, 108, 144, 168, 240, 168, 228, 216, 168, 180, 336, 240, 312, 264, 296, 228, 432, 264, 372, 416, 336, 408, 624, 440, 408, 348, 360, 532, 384, 572, 480, 640, 624, 600, 672, 720, 468 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`Divisors of A072055(8)=2A000040(8)+1=219+1=39: {1,3,13,39}, therefore a(8)=1+3+13+39=56.`
	CROSSREFS	`a(n)=A000203(A072055(n)), A000040, A072056.` `Sequence in context: A146529 A062533 A077670 this_sequence A160133 A057710 A027706` `Adjacent sequences: A072054 A072055 A072056 this_sequence A072058 A072059 A072060`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 11 2002`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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