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Search: id:A089224
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A089224 In binary representation: number of 0's of number of 0's of n. +0
1
0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 2, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 2, 2, 0, 2, 0, 0, 1, 2, 0, 0, 1, 0, 1, 1, 0, 2, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 2, 1, 2, 2, 0, 1, 2, 2, 0, 2, 0, 0, 1, 1, 2, 2, 0, 2, 0, 0, 1, 2, 0, 0, 1, 0, 1, 1, 0, 1, 2, 2, 0, 2, 0 (list; graph; listen)
OFFSET

0,17

COMMENT

a(n)= A023416(A023416(n)).

CROSSREFS

Cf. A054868, A007088.

Sequence in context: A101669 A086965 A025463 this_sequence A069859 A116357 A035168

Adjacent sequences: A089221 A089222 A089223 this_sequence A089225 A089226 A089227

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 10 2003

page 1

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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