id:A152228 - OEIS Search Results

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2-adic expansion of log(5).

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0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`log(5) (2-adic) = ...0001110110010010000000011100100010011001111100 (base 2).` `log(5) (2-adic) = 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^9 + 2^10 + 2^13 +...` `exp( log(5) (2-adic) ) = 101 (base 2) = 5.`
	PROGRAM	`(PARI) a(n)=(truncate( log(5+2*O(2^n)) )%2^(n+1))\2^n`
	CROSSREFS	`Sequence in context: A095190 A131735 A131736 this_sequence A086823 A104121 A157928` `Adjacent sequences: A152225 A152226 A152227 this_sequence A152229 A152230 A152231`
	KEYWORD	`base,nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Nov 29 2008`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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