A065366 - OEIS

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A065366

Replace 3^k with (-2)^k in balanced ternary expansion of n.

1, -3, -2, -1, 5, 6, 7, 3, 4, 5, 1, 2, 3, -11, -10, -9, -13, -12, -11, -15, -14, -13, -7, -6, -5, -9, -8, -7, -11, -10, -9, -3, -2, -1, -5, -4, -3, -7, -6, -5, 21, 22, 23, 19, 20, 21, 17, 18, 19, 25, 26, 27, 23, 24, 25, 21, 22, 23, 29, 30, 31, 27, 28, 29, 25, 26, 27, 13, 14, 15, 11, 12, 13, 9, 10, 11, 17, 18, 19, 15 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Notation: (3)< n >(2)`
	EXAMPLE	`5 = +1(9)-1(3)-1(1) -> +1(4)-1(-2)-1(1) = 5 = a(5)`
	CROSSREFS	`A065364, A065365` `Sequence in context: A139377 A110712 A138483 * A092879 A073370 A129675` `Adjacent sequences: A065363 A065364 A065365 * A065367 A065368 A065369`
	KEYWORD	`base,easy,sign`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com), Oct 31 2001`

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Last modified February 16 04:18 EST 2012. Contains 205860 sequences.