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A156267
a(n)=A054353(2*n)-A078649(n)
0
1, 2, 1, 1, 2, 3, 3, 2, 1, 2, 2, 1, 1, 2, 1, -1, -1, 1, 1, 2, 1, 1, 2, 2, 1, -1, 1, 1, 2, 1, 1, 2, 3, 3, 2, 1, 1, 2, 2, 1, 2, 3, 3, 2, 3, 4, 4, 5, 3, 3, 4, 3, 2, 3, 4, 4, 5, 3, 2, 3, 3, 2, 1, 2, 2, 1, -1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 3, 4, 3, 2, 1, 2, 3, 3, 2, 3, 4, 3, 2, 1, 2, 2, 1, 1, 2, 1, -1, -1, 1, 1, -1, 1, 1
OFFSET
1,2
FORMULA
Conjectured to be o(n)
CROSSREFS
Sequence in context: A326281 A343026 A113136 * A160325 A054989 A051631
KEYWORD
sign
AUTHOR
Benoit Cloitre, Feb 07 2009
STATUS
approved