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A156268
a(n)=2*A054353(n)-A078649(n)
0
0, 2, 2, 1, 1, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 0, -1, 1, 2, 2, 2, 1, 1, 2, 0, 0, 2, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 2, 3, 1, 1, 2, 2, 2, 3, 3, 4, 4, 2, 2, 2, 1, 1, 2, 2, 3, 5, 3, 1, 2, 2, 2, 2, 2, 3, 3, 1, 1, 2, 2, 0, 1, 1, 2, 2, 2, 3, 3, 2, 2, 2, 2, 3, 5, 3, 2, 4, 3, 3, 3, 3, 4, 4, 3, 3, 3, 1, 0, 2, 3, 1, 3, 2, 2, 2
OFFSET
1,2
FORMULA
Conjectured to be o(n)
CROSSREFS
Sequence in context: A087011 A294602 A000174 * A053257 A331002 A358234
KEYWORD
sign
AUTHOR
Benoit Cloitre, Feb 07 2009
STATUS
approved