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A136036
a(n) = A063882(n+1) - A063882(n).
1
0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0
OFFSET
1,1
COMMENTS
0 <= a(n) <= 1; 1 <= a(n)+a(n+1)+a(n+2) <= 2 for n>5.
CROSSREFS
Cf. A063882.
Sequence in context: A072626 A191153 A011659 * A214210 A056029 A204547
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 11 2007
STATUS
approved