id:A053246 - OEIS Search Results

Search: id:A053246

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First differences of chowla(n).

+0
1

0, 0, 2, -2, 5, -5, 6, -3, 4, -7, 15, -15, 9, -1, 6, -14, 20, -20, 21, -11, 3, -13, 35, -30, 10, -3, 15, -27, 41, -41, 30, -16, 5, -7, 42, -54, 21, -5, 33, -49, 53, -53, 39, -7, -7, -25, 75, -68, 35, -22, 25, -45, 65, -49, 47, -41, 9, -31, 107, -107, 33, 7, 22, -44, 59, -77, 57, -31 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Second differences give A053223, for n>1.`
	FORMULA	`a(n) = A053222(n) - 1, for n>1`
	MAPLE	`with(numtheory): seq( sigma(i+1) - sigma(i) - 1, i=2..100); # for n>1`
	CROSSREFS	`Cf. A048050.` `Sequence in context: A063960 A025510 A069896 this_sequence A145061 A035624 A073707` `Adjacent sequences: A053243 A053244 A053245 this_sequence A053247 A053248 A053249`
	KEYWORD	`sign`
	AUTHOR	`Asher Auel (asher.auel(AT)reed.edu) Jan 10, 2000`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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