id:A099979 - OEIS Search Results

Search: id:A099979

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Bisection of A001157.

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5, 21, 50, 85, 130, 210, 250, 341, 455, 546, 610, 850, 850, 1050, 1300, 1365, 1450, 1911, 1810, 2210, 2500, 2562, 2650, 3410, 3255, 3570, 4100, 4250, 4210, 5460, 4810, 5461, 6100, 6090, 6500, 7735, 6850, 7602, 8500, 8866, 8410, 10500, 9250, 10370 (list; graph; listen)

	OFFSET	`0,1`
	MAPLE	`with(numtheory): seq(sigma[2](2*n), n=1..50); (C. Ronaldo)`
	CROSSREFS	`Sequence in context: A049741 A041825 A022268 this_sequence A039659 A096942 A122244` `Adjacent sequences: A099976 A099977 A099978 this_sequence A099980 A099981 A099982`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas, Nov 19 2004`
	EXTENSIONS	`More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 18 2005`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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