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A090047 Length of longest contiguous block of 0's in binary expansion of n^2. 5
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, 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, 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

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

LINKS

Table of n, a(n) for n=0..101.

CROSSREFS

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

Sequence in context: A239676 A295639 A182982 * A245525 A233412 A278266

Adjacent sequences:  A090044 A090045 A090046 * A090048 A090049 A090050

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Nov 20 2003

STATUS

approved

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Last modified June 18 07:06 EDT 2019. Contains 324203 sequences. (Running on oeis4.)