id:A114890 - OEIS Search Results

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First differences of A114889.

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2, 1, 3, 2, 1, 1, 1, 1, 6, 2, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 15, 2, 1, 3, 2, 1, 1, 1, 1, 6, 2, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 42, 2, 1, 3, 2, 1, 1, 1, 1, 6, 2, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`Conjecture. a(1)=2 and, for n>1, a(n)=1+3+9+...+3^(k-1) + 2, if n=3^k, a(n)=a(n-3^k), if 3^k < n < 2*3^k - 1, else a(n)=1. (This has been verified for n<=3000.)`
	CROSSREFS	`Cf. A114889.` `Sequence in context: A096642 A020779 A144029 this_sequence A145327 A023512 A088192` `Adjacent sequences: A114887 A114888 A114889 this_sequence A114891 A114892 A114893`
	KEYWORD	`nonn`
	AUTHOR	`John W. Layman (layman(AT)math.vt.edu), Jan 04 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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