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A090047 Length of longest contiguous block of 0's in binary expansion of n^2. 5

%I

%S 1,0,2,2,4,2,2,3,6,3,2,2,4,2,3,4,8,4,3,2,4,2,2,4,6,3,2,2,4,2,4,5,10,5,

%T 4,2,4,2,2,3,6,3,2,2,4,2,4,4,8,4,3,3,4,2,2,3,6,3,2,2,4,3,5,6,12,6,5,3,

%U 4,2,2,3,6,3,2,2,4,2,3,4,8,4,3,2,4,4,2,3,6,3,2,6,4,4,4,5,10,5,4,2,4,2

%N Length of longest contiguous block of 0's in binary expansion of n^2.

%C a(n) = A087117(A000290(n)).

%Y Cf. A023416, A090049, A090048, A090046, A090001.

%K nonn,base

%O 0,3

%A _Reinhard Zumkeller_, Nov 20 2003

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Last modified July 20 01:17 EDT 2019. Contains 325168 sequences. (Running on oeis4.)