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A157687
a(n)=n-A054353(A156351(n)).
3
0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0
OFFSET
1,1
FORMULA
a(n)=1 iff n is in A078649, a(n)=0 iff n is in A054353. a(n)=n-A054353(A157684(n)+A157685(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Mar 04 2009
STATUS
approved