id:A152984 - OEIS Search Results

Search: id:A152984

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Absolute values of A152864.

+0
1

1, 2, 3, 3, 5, 3, 7, 4, 7, 5, 11, 1, 13, 7, 9, 5, 17, 2, 19, 3, 13, 11, 23, 5, 21, 13, 17, 5, 29, 5, 31, 6, 21, 17, 25, 11, 37, 19, 25, 3, 41, 5, 43, 9, 17, 23, 47, 19, 43, 12, 33, 11, 53, 5, 41, 1, 37, 29, 59, 37, 61, 31, 27, 7, 49, 5, 67, 15, 45, 3, 71, 40, 73, 37, 31, 17, 61, 5, 79, 17 (list; graph; listen)

	OFFSET	`1,2`
	MAPLE	`A152864 := proc(n) 2*n-numtheory[sigma](n)+numtheory[tau](n)-1 ; end: A152984 := proc(n) abs(A152864(n)) ; end: for n from 1 to 120 do printf("%d, ", A152984(n)) ; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 22 2009]`
	CROSSREFS	`C. A152864.` `Sequence in context: A105555 A066858 A152864 this_sequence A064921 A064917 A154727` `Adjacent sequences: A152981 A152982 A152983 this_sequence A152985 A152986 A152987`
	KEYWORD	`nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Dec 19 2008`
	EXTENSIONS	`Few more terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 22 2009`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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