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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}] (* Robert G. Wilson v, Dec 03 2003 *)
CROSSREFS
Sequence in context: A109865 A206713 A096874 * A202551 A129267 A199324
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Nov 20 2003
STATUS
approved

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Last modified March 19 07:40 EDT 2024. Contains 370958 sequences. (Running on oeis4.)