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A102511
Sum(A008683(A102510(k)): k<=n).
2
1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1
OFFSET
1,1
COMMENTS
0 <= a(n) <= 1, compare with A002321
CROSSREFS
Sequence in context: A117945 A128937 A288004 * A266669 A129360 A129372
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jan 13 2005
STATUS
approved