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 A090046 Length of longest contiguous block of 0's in binary expansion of n-th prime. 4
 1, 0, 1, 0, 1, 1, 3, 2, 1, 1, 0, 2, 2, 1, 1, 1, 1, 1, 4, 3, 2, 2, 2, 2, 4, 2, 2, 1, 1, 3, 0, 5, 3, 3, 2, 2, 2, 3, 2, 1, 2, 1, 1, 5, 3, 3, 2, 1, 3, 2, 2, 1, 3, 1, 7, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 3, 1, 1, 4, 2, 1, 1, 1, 1, 4, 3, 3, 2, 3, 2, 1, 3, 1, 1, 5, 2, 2, 2, 2, 1, 2, 1, 2, 1, 1, 5, 5, 4, 3, 3, 3, 3, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,7 COMMENTS a(n) = A087117(A000040(n)). LINKS MATHEMATICA f[n_] := Length[ Union[ DeleteCases[ Split[ IntegerDigits[n, 2]], 1, 2]][[ -1]]]; Table[ f[ Prime[n]], {n, 1, 105}] (from Robert G. Wilson v Dec 03 2003) CROSSREFS Cf. A023416, A004676, A090047, A090048, A090049, A090000. Sequence in context: A109865 A206713 A096874 * A202551 A129267 A199324 Adjacent sequences:  A090043 A090044 A090045 * A090047 A090048 A090049 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Nov 20 2003 STATUS approved

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Last modified June 20 07:54 EDT 2013. Contains 226422 sequences.