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 A152228 2-adic expansion of log(5). 0
 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; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS 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. PROG (PARI) a(n)=(truncate( log(5+2*O(2^n)) )%2^(n+1))\2^n CROSSREFS Sequence in context: A095190 A131735 A131736 * A086823 A104121 A179770 Adjacent sequences:  A152225 A152226 A152227 * A152229 A152230 A152231 KEYWORD base,nonn AUTHOR Paul D. Hanna, Nov 29 2008 STATUS approved

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