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A076182 A006666(n) mod 2. +0
2
0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)
OFFSET

1,1

FORMULA

Apparently also the antiparity of A064433. - Ralf Stephan, Nov 16 2004

PROGRAM

(PARI) a(n)=if(n<0, 0, s=n; c=0; while(s>1, s=(s%2)*(3*s+1)/2+(1-s%2)*s/2; c++); c)%2

CROSSREFS

Cf. A076092.

A006513(n) - 1.

Sequence in context: A105384 A057212 A023959 this_sequence A010058 A140591 A079336

Adjacent sequences: A076179 A076180 A076181 this_sequence A076183 A076184 A076185

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 01 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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